Select the proper option from a drop-down list. It's the third one. Type in the given values. For example, the area of a right triangle is equal to 28 in² and b = 9 in. Our right triangle side and angle calculator displays missing sides and angles! Now we know that: a = 6.222 in. c = 10.941 in. α = 34.66°.Area of a trapezoid formula. The formula for the area of a trapezoid is (base 1 + base 2) / 2 x height, as seen in the figure below: The calculation essentially relies on the fact a trapezoid's area can be equated to that of a rectangle: (base 1 + base 2) / 2 is actually the width of a rectangle with an equivalent area.Area of Basic Shapes ; Area of a Square or Rectangle: Formula: Area = Length x Width ; Area of a Right Triangle Formula: Area = 1/2 (base x height) ; Area of a ...You can use this triangle square footage calculator to calculate siding square footage in gables or any other triangle square feet you might need (like: roofing, carpet, etc.) You …Apr 20, 2017 · The Area of a Triangle with three known Sides calculator computes the area of a triangle based on the length of its three sides. INSTRUCTIONS: Choose units and enter the following: (a) Length of Side a (b) Length of Side b (c) Length of Side c ; Area of Triangle (A): The calculator returns the area in square feet (ft 2). However, this can be ... Scalene Triangle Concrete Calculator. A Scalene Triangle is a triangle shape where all three sides have different lengths, and none of the angles are equal. To calculate the volume of a Scalene triangle-shaped slab, you will have to enter the lengths of all three sides and the required depth of the slab. Note: using measurements where the ...Area of a trapezoid formula. The formula for the area of a trapezoid is (base 1 + base 2) / 2 x height, as seen in the figure below: The calculation essentially relies on the fact a trapezoid's area can be equated to that of a rectangle: (base 1 + base 2) / 2 is actually the width of a rectangle with an equivalent area. The formula for the area of an octagon of regular shape is 2 · (1 + √2) · side2, as seen in the figure below: The solution to the equation is straightforward and this is the formula used in our regular octagon area calculator. The result will be in whatever metric you did the measurement in, but squared: square mm, square cm, square dm ...Oct 8, 2023 · Calculate square footage, square meters, square yardage and acres for home or construction project. Calculate square feet, meters, yards and acres for flooring, carpet, or tiling projects. Enter measurements in US or metric units. How to calculate square footage for rectangular, round and bordered areas. Calculate project cost based on price per square foot, square yard or square meter. You can convert square inches, square yards, or square meters to square feet using one of the formulas below. Square Inches: sq ft = sq in ÷ 144. Square Yards: sq ft = sq yds × 9. Square Meters: sq ft = sq m × 10.764. You can use an area converter to convert any area measurement to sq ft.How to calculate the square footage of a triangle? How to find the square footage of a triangle 1 Measure the length of the base and the height of the triangle in feet. 2 Multiply your base and height measurements together. 3 Divide your total by two to get the square footage of the triangle More.Using square footage formula, Area of a rectangle = Length × Breadth. Thus, are of each tile = 8 × 36 = 288 square inches. But, 1 square foot = 12 in × 12 in = 144 square inches. Thus, 288 square inches = 2 square feet. Hence, the area of each tile is 2 square feet.Surface area of a sphere. The surface area formula for a sphere is 4 x π x (diameter / 2) 2, where (diameter / 2) is the radius of the sphere (d = 2 x r), so another way to write it is 4 x π x radius 2.Visual on the figure below: A sphere's surface area can be calculated just by knowing its diameter, or radius (diameter = 2 x radius). π is, of course, the well-known …Rectangle calc: find A (area) As we know the formula for the area of a rectangle A = a × b, let's show with an example how you can calculate that property: Choose the length of the rectangle – for example, a = 5 cm. Decide on the rectangle's width – for example, b = 6 cm. Multiply these two values: A = 5 cm × 6 cm = 30 cm².Omni's triangle side calculator allows you to calculate the length of the sides of a triangle. Continue reading to find out how to calculate the sides of a triangle for three different cases: If two sides and one angle are known; If two angles and one side are known; and; If two sides and the perimeter are known.This calculator completes the analysis of any triangle be it a obtuse triangle, acute triangle, right triangle, or irregular triangle. Please input only three values and leave the values to be calculated blank. If all the inputs are angles the calculator will calculate the proportionate length of the sides which can then be used to scale up ...Area Calculators. Enter value, select unit and click on calculate. Result will be displayed. Calculate Area Of a Triangle Calculate Area Of a ParallelogramNeed a custom math course? Visit https://www.MathHelp.com.This lesson covers the area of a triangle. Students learn that the formula for the area of a triang...Area = 7.5 {\displaystyle {\text {Area}}=7.5} So, the area of a triangle with a base of 5 cm and a height of 3 cm is 7.5 square centimeters. 4. Find the area of a right triangle. Since two sides of a right triangle are perpendicular, one of the perpendicular sides will be the height of the triangle.6. Add up the lengths of the three side lengths to find the perimeter. Recall that the perimeter P = a + b + c. Now that you know the lengths of sides a, b and c, you simply need to add the lengths together to find the perimeter. In our first example, P = 3 + 4 + 5, or 12. In our second example, P = 6 + 8 + 10, or 24 .If you need to convert to cubic feet from inches: divide the final number (i.e. the total you get after multiplying the three dimensions together) by 1728. If you need to convert to cubic feet from meters/metres: multiply your final number by 35.31. If you need to convert to cubic feet from yards: multiply your final number by 27.Use the calculator above to calculate a triangle's square footage. You can enter feet only, inches only or a combination of the two. **This Calculator also calculates triangle square inches, the triangle's total Height in feet, total Height in inches, total length in feet and total length in inches. Area of a trapezoid is found with the formula, A= (a+b)h/2. To find the area of a trapezoid, you need to know the lengths of the two parallel sides (the "bases") and the height. Add the lengths of the two bases together, and then multiply by the height. Finally, divide by 2 to get the area of the trapezoid.Area = 7.5 {\displaystyle {\text {Area}}=7.5} So, the area of a triangle with a base of 5 cm and a height of 3 cm is 7.5 square centimeters. 4. Find the area of a right triangle. Since two sides of a right triangle are perpendicular, one of the perpendicular sides will be the height of the triangle.Need a custom math course? Visit https://www.MathHelp.com.This lesson covers the area of a triangle. Students learn that the formula for the area of a triang...ft2 is the abbreviation for square feet. linear meters to square meters conversion online and m2 to linear meters. Feet to linear feet (Ft to LF, ft to LF) online calculator. How many linear feet are in square feet? Linear feet = Square feet / width of one linear feet. LF = Sq ft / (width of one LF)Jan 18, 2024 · The semicircle area calculator displays the area of half-circle: for our rug, it's 6.28 f t 2 6.28\ \mathrm{ft^2} 6.28 f t 2. The tool works as semicircle perimeter calculator as well – e.g., if you want to braid the rug, you can calculate how much lace you'll Using square footage formula, Area of a rectangle = Length × Breadth. Thus, are of each tile = 8 × 36 = 288 square inches. But, 1 square foot = 12 in × 12 in = 144 square inches. Thus, 288 square inches = 2 square feet. Hence, the area of each tile is 2 square feet.In order to use an online calculator to convert square feet to linear feet, two basic measurements must be known. The first is the width in inches of the material being measured. T...AboutTranscript. The area of a triangle is found by multiplying one half of the base by the height. In our example, the base is 18 and the height is 6. So, half of 18 is 9, and 9 times 6 equals 54 square units. Omni's triangle side calculator allows you to calculate the length of the sides of a triangle. Continue reading to find out how to calculate the sides of a triangle for three different cases: If two sides and one angle are known; If two angles and one side are known; and; If two sides and the perimeter are known.Free Triangles calculator - Calculate area, perimeter, sides and angles for triangles step-by-step.This square footage calculator is an online tool that calculates the surface areas of different geometrical shapes. The shapes include square, triangle, circle, rectangle, rectangle border, circle border, annulus, and trapezoid. The calculator allows calculating square footage for any of the shapes listed above, which are the most common shapes ...area = √ 115.5 × (115.5 - 77) 3 = 2567.33 sq ft. Since the longest distance between any two points of an equilateral triangle is the length of the edge of the triangle, the farmer …In the bookshelf example, since you have four eight-foot long corner pieces made from 2x4 boards and five pieces made from 1x12 boards (three shelves plus the top and bottom), you can calculate totals as follows: 2x4 boards: 8 feet times 4 boards = 32 linear feet. 1x12 boards: 4 feet times 5 boards = 20 linear feet. 4.The Area of a Triangle with three known Sides calculator computes the area of a triangle based on the length of its three sides.An easy to use, free area calculator you can use to calculate the area of shapes like square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, octagon, and sector of a circle. Formulas, explanations, and graphs for each calculation. Area of a triangle calculation using all different rules, side and height, SSS, ASA, SAS, SSA, etc.But how to calculate sq ft of a wall with doors and windows? 🤔. corrected wall square footage = wall square footage - windows area × number of windows - door area * number of doors. Now it's time to figure out the square feet of windows and doors - take a look at the standard sizes, presented in the table below:as we explained in the triangle area calculator. Note that the base of the triangle is the length of a side of the octagon. Since there are as many of these triangles as the polygon has sides (eight for an octagon), you have to multiply the area of this triangle by the number of sides. You will obtain the total area of the octagon:This calculator completes the analysis of any triangle be it a obtuse triangle, acute triangle, right triangle, or irregular triangle. Please input only three values and leave the values to be calculated blank. In the case where two solutions to the same inputs are possible this calculator will give the two solutions. Click the Calculate button to find that the area is .22 of an acre. The area that is the irregular portion of this parcel forms the shape of a triangle. So the dimensions that you need to enter into the Acre Calculator are 70 feet for the width and 20 feet for the length. The Calculate button produces the result at .04 of an acre. The square footage formula for triangles is: This is not a right angle triangle. 1 square meter = 10.76 square foot; The calculator returns the area in square feet (ft 2). Where b and h are the base and height of the triangle, respectively. Area of a triangle = a = ½ (b × h) square units: Enter measurements in us or metric units.Square footage of a triangle = 0.5 x base x height. So, if the base of your triangle is 10 feet and the height is 7 feet, the total square footage of the triangle is 35. ... To calculate square feet for tile, measure the length and width of the space you’ll be tiling in feet. Then, multiply those numbers to get the total square footage. When ...as we explained in the triangle area calculator. Note that the base of the triangle is the length of a side of the octagon. Since there are as many of these triangles as the polygon has sides (eight for an octagon), you have to multiply the area of this triangle by the number of sides. You will obtain the total area of the octagon:In other words you can work out the area of a triangle in the same way as the area for a square or parallelogram just divide your answer by 2. The height of a ...Jun 24, 2022 · How to calculate square feet for triangles The square footage formula for triangles is: A = 1/2 base x height In this equation, "A" is the area of the triangle in square feet, "1/2 base" is the length of the bottom side of the triangle in feet and the height is the vertical distance from the bottom side of the triangle to the top corner in feet ... This relationship is useful because if two sides of a right triangle are known, the Pythagorean theorem can be used to determine the length of the third side. Referencing the above diagram, if. a = 3 and b = 4. the length of c can be determined as: c = √ a2 + b2 = √ 32+42 = √ 25 = 5. It follows that the length of a and b can also be ...Jan 18, 2024 · Omni's triangle side calculator allows you to calculate the length of the sides of a triangle. Continue reading to find out how to calculate the sides of a triangle for three different cases: If two sides and one angle are known; If two angles and one side are known; and; If two sides and the perimeter are known. You can use these calculations to determine that here. Use this calculation to calculate the area of a square or a rectangle. This calculation will calculate the area of a circle using either the diameter, the radius or the circumference as input. Calculate the area of a (right-angled) triangle with this calculation.The triangle area is also calculated. Side A, Side B, Side C, Angle A, Angle B ...Using square footage formula, Area of a rectangle = Length × Breadth. Thus, are of each tile = 8 × 36 = 288 square inches. But, 1 square foot = 12 in × 12 in = 144 square inches. Thus, 288 square inches = 2 square feet. Hence, the area of each tile is 2 square feet.An easy to use, free perimeter calculator you can use to calculate the perimeter of shapes like square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, octagon, and sector of a circle. Formulas, explanations, and graphs for each calculation. Perimeter of a triangle calculation using all different rules: SSS, ASA, SAS, SSA, etc.Example: Find the area of this triangle: ; Area =(½)ab sin C ; Put in the values we know:½ × 7 × 10 × sin(25º) ; Do some calculator work:35 × 0.4226... ; Area = ...The hypotenuse of a right triangle is calculated by finding the square root of the sum of the squares of the triangle’s legs. It can be expressed using the formula c = √(a2 + b2), ...To find the area of a regular hexagon use the following equation: A = 3/2 · √3 · a2. where a is the length of the hexagon side. If the area is known and the side is not, the formula can be reversed to find the side as such: a = √ (A / (3/2 · √3)). A second, more generic formula for the area of any regular polygon, is: A = P · r / 2.Measure the height of the triangle, which is the distance from the base to the top point. In our example, the height of the triangle is 5 feet. Multiply the base by the height and divide by two to determine the square footage of the triangle. In our example, 5 feet times 3 feet equals 15 square feet, which divided by two equals 7.5 square feet.Jan 18, 2024 · An isosceles right triangle is a right angle triangle with two equal sides and two equal angles. Because two sides are equal, and one of its interior angles is equivalent to 90 degrees, it is considered both an isosceles and a right-angle triangle. 3 days ago · To calculate the isosceles triangle area, you can use many different formulas. The most popular ones are the equations: Given leg a and base b: area = (1/4) × b × √ ( 4 × a² - b² ) Given h height from apex and base b or h2 height from the other two vertices and leg a: area = 0.5 × h × b = 0.5 × h2 × a. Given any angle and leg or base. Jan 9, 2024 · Here’s how to calculate the square footage of a regular-shaped floor: Multiply the length and width: Take the measurement of the length and multiply it by the measurement of the width. For example, if the length is 10 feet and the width is 8 feet, the calculation would be: 10 feet x 8 feet = 80 square feet. If you have an area in square feet you can still calculate cubic yards. In the calculator, select Rectangle. Enter your square feet in the Length field, and enter "1" in the Width field. ... Calculate cubic yards using depth in a triangle area Using measurements in feet: Area (ft 2) = (1/4) x square root[ (a+b+c) x (b+c-a) x (c+a-b) x ...Method 1: You can directly convert the area in square feet to square miles. Method 2: You can first convert the length and width into miles and then multiply them together to find the area. In both of these situations, the most important piece of information is how many feet there are in a mile. There are 5,280 feet in 1 mile.Say you have a complex-shaped room composed of a 10x10 area adjacent to a 12x24 area. The area of the first one is 100 ft 2 and the area of the second is 288 ft 2, so the total square footage is 100 + 288 = 388 square feet. Say it costs $10 to cover one square foot in laminate flooring. To figure out the required cost for this room, multiply ...The segment would be the portion cut off of a sector if you sliced it at the point where the radius meets the arc on each side. To find the area of a segment, multiply the radius squared by the central angle times π, divided by 360, minus the sine of the angle divided by 2. A = ( θ × π 360 – sin (θ) 2) × r².Example 3: Find the area of a triangle-shaped garden given one side of it (say, c) is 15 feet long and the two adjacent angles are 30° and 60°. This task can be resolved using the ASA rule. Solving using the area of a triangle formula c 2 / (2 * (tanα-1 + tanβ-1)) = 225 / (2 * (0.577350-1 + 1.732051-1)) = 48.7 square feet. The area of one triangle is 1/2 * 10 ft * 6 ft = 30 square ft. Area Conversion: The area of a right triangle is 50 square yd. Convert ...Don’t be afraid to buy a home near a graveyard. It might actually be a better investment. Don’t be afraid to buy a home near a graveyard. It might actually be a better investment. ...Square footage formulas. The algorithm behind this square footage calculator uses the following formulas depending on the shape: Triangle SF can be obtained if the 3 sides of …"Obtuse" describes a triangle that comprises: 1x angle that measures over 90 degrees (>90°), called an obtuse angle; and; 2x angles that measure less than 90 degrees (<90°), called the acute angles.; The obtuse triangle is one of two types of oblique triangles - the other one is acute.3 days ago · Together with d d d and a part of a a a, it forms a right triangle. What is more, we know one of its angles – δ = 45 ° \delta = 45\degree δ = 45°. That means that it is one of the special cases – it's half of a square. Therefore, h h h is equal to the bottom side of the triangle, and d d d is, in fact, the diagonal of a square, which ... Don’t be afraid to buy a home near a graveyard. It might actually be a better investment. Don’t be afraid to buy a home near a graveyard. It might actually be a better investment. ...ft2 is the abbreviation for square feet. linear meters to square meters conversion online and m2 to linear meters. Feet to linear feet (Ft to LF, ft to LF) online calculator. How many linear feet are in square feet? Linear feet = Square feet / width of one linear feet. LF = Sq ft / (width of one LF)Directions: Use the calculator above to calculate your square footage. You can enter feet only, inches only or any combination of the two. *Square Footage is also known as (a.k.a) square feet, square ft, SqFt, Sq.Ft., sq.ft., ft2 & ft 2 **This Calculator also calculates square inches, total height in feet, total height in inches, total length in feet and total …Area of Basic Shapes ; Area of a Square or Rectangle: Formula: Area = Length x Width ; Area of a Right Triangle Formula: Area = 1/2 (base x height) ; Area of a ...Sep 26, 2020 · How to calculate the square footage of a triangle? How to find the square footage of a triangle 1 Measure the length of the base and the height of the triangle in feet. 2 Multiply your base and height measurements together. 3 Divide your total by two to get the square footage of the triangle More. Jan 9, 2024 · Here’s how to calculate the square footage of a regular-shaped floor: Multiply the length and width: Take the measurement of the length and multiply it by the measurement of the width. For example, if the length is 10 feet and the width is 8 feet, the calculation would be: 10 feet x 8 feet = 80 square feet. Jan 18, 2024 · Omni's triangle side calculator allows you to calculate the length of the sides of a triangle. Continue reading to find out how to calculate the sides of a triangle for three different cases: If two sides and one angle are known; If two angles and one side are known; and; If two sides and the perimeter are known. Select the type of shape for which you need to calculate square footage. You can choose from square, rectangle, triangle, circle, and ellipse. enter the asked values in the …When it comes to the formulas used for calculating total square footage, you are simply determining the area of the shape in question, using very geometry math. The most common square feet area formulas are: Square: A = s2 (Side Squared) Rectangle: A = ab (Side A x Side B) Circle: A = πr2 (Pi x Radius Squared) Jan 18, 2024 · To find the square footage area of a triangle, follow these steps: Measure each side of the triangle in feet and label them a, b, and c. Input them into Heron's formula, shown below: A = √[4a²b² - (a² + b² - c²)²]/4. The result is the area of your triangle in square feet. Take the circumference of your circle and measure it in feet. Divide your diameter by 2, then square it (multiply it). Multiply your total with p (3.14159265) p is the formula to calculate the area of a circle. (With r being half of the circle's radius, this is the radius). Pi is represented by the symbol p (3.14159265).board feet = length (ft) × width (in) × thickness (in) / 12. board feet = 8 × 10 × 1.25 / 12. board feet = 8.33 BF. Now, multiply this result by the number of pieces to obtain the total board footage of your purchase: 5 × 8.33 = 41.67 BF. Finally, you can multiply this value by the price per board foot to determine the total cost of your ...A triangle is determined by 3 of the 6 free values, with at least one side. Fill in 3 of the 6 fields, with at least one side, and press the 'Calculate' button. (Note: if more than 3 fields are filled, only a third used to determine the triangle, the others are (eventualy) overwritten. 3 …This type of triangle can be used to evaluate trigonometric functions for multiples of π/6. 45°-45°-90° triangle: The 45°-45°-90° triangle, also referred to as an isosceles right triangle, since it has two sides of equal lengths, is a right triangle in which the sides corresponding to the angles, 45°-45°-90°, follow a ratio of 1:1:√ ... If you are looking for an easy tool to calculate the height in any triangle, you're in the right place – this triangle height calculator is the tool for you.Whether you are looking for the triangle height formulas for special triangles such as the right, equilateral or isosceles triangle or any scalene triangle, this calculator is a safe bet – it can …Usually, what you need to calculate are the triangular prism volume and its surface area. The two most basic equations are: volume = 0.5 * b * h * length, where b is the length of the base of the triangle, h is the height of the triangle, and length is prism length. area = length * (a + b + c) + (2 * base_area), where a, b, c are sides of the triangle and …
Solution. To convert m 2 to ft 2, use the conversion factor. 1 m 2 = 10.7639104 ft 2. Then divide both sides of the equation by m2, to get the conversion ratio. 1 = 10.7639104 ft 2 / m 2. Using the conversion ratio to complete the unit conversion, basically multiplying the input by 1, the m2 units cancel out, and we are left with ft2 units. 1 m .... See thru swimsuits
An easy to use, free area calculator you can use to calculate the area of shapes like square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, octagon, and sector of a circle. Formulas, explanations, and graphs for each calculation. Area of a triangle calculation using all different rules, side and height, SSS, ASA, SAS, SSA, etc. Use this calculator to find the square footage, square inches, square yardage, square meters or acres for a building, home, garden or construction project. …Area = (base x height) / 2 A = (b x h) / 2 Plug your measured values for base and height into this formula. For example, if you have a triangle with a base measuring 10 feet and a …Divide the square footage by 100 to get the number of squares needed for the wall. For example, a wall that is 40 ft wide and 12 ft high will require at least 4.8 squares of material. 40 × 12 = 480. 480 ÷ 100 = 4.8. Be sure to round up to the nearest square, so in this case, you’d probably need 5 full squares.Calculating the square footage of a triangle can be quite straightforward when you follow these four easy steps. Remember to identify both base and height accurately, use the …Calculations can be made by totaling different sections. In this case, calculate and add together the area of the triangle and the rectangle, and one half the ...Click the Calculate button to find that the area is .22 of an acre. The area that is the irregular portion of this parcel forms the shape of a triangle. So the dimensions that you need to enter into the Acre Calculator are 70 feet for the width and 20 feet for the length. The Calculate button produces the result at .04 of an acre. Jul 28, 2023 · How to calculate the square footage of a room. Measure the length and width of the room in feet. Next, multiply the length and width together to get the square footage. Example: For a room measuring 10 feet wide by 14 feet long, your calculation is 10 × 14 = 140 square feet. Article sections. Jan 18, 2024 · The semicircle area calculator displays the area of half-circle: for our rug, it's 6.28 f t 2 6.28\ \mathrm{ft^2} 6.28 f t 2. The tool works as semicircle perimeter calculator as well – e.g., if you want to braid the rug, you can calculate how much lace you'll SF circle = π * Radius * Radius. Where: π = 3.14159265359. Rhombus requires that the base and its height to be given: SF rhombus = Base * Height. Where: SF = square footage. 16 Apr, 2015. This square footage calculator finds the square footage of a house, room, property, lot or land with any of the following shape rectangle, triangle ...Use a square footage calculator to complete the task. Follow these steps below: 1. Locate the area tab in the calculator and select the units from which to convert 2. Enter the value of the area in the units you have 3. Select ‘square feet’ or sq ft on the unit switcher 4. Read what the square footage calculator shows!The calculator cannot account for complex shapes based on a measurement of square footage alone. The Area Calculator can be used to calculate the area of a variety of simple shapes that together can comprise the area of the roof. Using the aggregate area of these simple shapes can yield a more accurate roof area to be used with the Roofing ...Usually, what you need to calculate are the triangular prism volume and its surface area. The two most basic equations are: volume = 0.5 * b * h * length, where b is the length of the base of the triangle, h is the height of the triangle, and length is prism length. area = length * (a + b + c) + (2 * base_area), where a, b, c are sides of the triangle and …This fact makes it much easier to calculate their area than if they were isosceles triangles or even 45 45 90 triangles as in the case of a square. For the regular triangle, all sides are of the same length, which is the …A 100,000-square-foot megamansion in Bel Air, Calif., is being built by film producer and real estate developer Nile Niami, who wants to put the property up for sale for a record-h...The 300-page shopper's guide is one of the world’s most-distributed books. Earlier this month, IKEA arrived in India with a 400,000 square feet store, 7,500 products, and big expan...Example 3: Find the area of a triangle-shaped garden given one side of it (say, c) is 15 feet long and the two adjacent angles are 30° and 60°. This task can be resolved using the ASA rule. Solving using the area of a triangle formula c 2 / (2 * (tanα-1 + tanβ-1)) = 225 / (2 * (0.577350-1 + 1.732051-1)) = 48.7 square feet. Trapezoid calculator provide you with a simple way of determining the square footage area for triangle shape. Useful for Construction projects, wood workers, home owners, students, and real estate. All Calculators . ... To understand how to calculate square footage we must first begin with the definition of area. An area is the size of a two ...Now use the trigonometry formula for the area of a triangle. The trigonometry formula is Area = \frac{bc}{2}sin A. Here b and c are the adjacent sides and A is ...The square footage formula for triangles is: This is not a right angle triangle. 1 square meter = 10.76 square foot; The calculator returns the area in square feet (ft 2). Where b and h are the base and height of the triangle, respectively. Area of a triangle = a = ½ (b × h) square units: Enter measurements in us or metric units.A triangle is determined by 3 of the 6 free values, with at least one side. Fill in 3 of the 6 fields, with at least one side, and press the 'Calculate' button. (Note: if more than 3 fields are filled, only a third used to determine the triangle, the others are (eventualy) overwritten. 3 ….