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Half base x altitude.

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Q: How do you calculate the surface area of a triangle?
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How do you calculate the volume of a triangle if you only have the height and density?

A triangle is a flat area, therefore it has a surface area, not a volume. Density is unrelated to the problem; you would need some additional information to calculate the surface area.


How do you calculate the surface of a wedge?

split the wedge into a triangle and a and rectangle or square. Then calculate the surface area for each shape and add them together


How do you calculate a surface area of a triangle?

Area of a triangle = 0.5 times base times perpendicular height


What is the formula for the surface area of a square pyarmid?

You need to calculate the area of the base (square), and the area of one triangle, and multiply that by 4.


How do you calculate the surface area of an equalaterial trinuglar based prism?

To calculate the surface area of the equilateral triangular-based prism, you need to calculate the area of the equilateral triangle and all the other sides of the prism. The total area of all the phases will give the total surface are of an equilateral triangular based prism.


How do you find the area of a rectangle with a triangle attached to the side?

you split your shape in half, (The rectangle and the triangle), by putting a line through it and then calculate the area of the rectangle and then calculate the area of the triangle, half the area of the triangle then add the area of the triangle and the rectangle together!Then you should have your answer!


What is a formula for surface area of triangle?

K, well there is no surface area of a triangle, because a triangle is a 2s figure. Surface area is for a 3d figure. To find the regular area of a triangle the formula is 1/2 of the base X the height :) gl :P


Is a surface area of a triangle figured from the same formula?

well there is no surface area of a triangle, because a triangle is a 2s figure. Surface area is for a 3d figure. To find the regular area of a triangle the formula is 1/2 of the base X the height :) gl :P


To calculate the area of the front surface of a box you---?

to calculate the area of the front surface of a box you should


What is the area of a triangle that has a perimeter of 37?

The perimeter of a triangle does not provide sufficient information to calculate its area.


What is the area of a triangle that is 8ft?

There is insufficient information to calculate the area.


How do you compare the surface are to volume ratio of cells of different size?

You need to:* Calculate the surface area * Calculate the volume * Divide the surface area by the volume