How To Calculate Area Of A Triangle

Whether you're carpeting a room, hanging wallpaper or shingling a roof, you may need to calculate the area of a triangle. Knowing the correct formula will make your job easier and save you time by avoiding mistakes. If it's been a while since your last math class, you may need help remembering how to calculate the area of a triangle.

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Step 1

Use the formula base (b) times height (h) divided by 2 to calculate the area of a triangle (b x h / 2).

Step 2

Choose any side of the triangle as the base. If it's right triangle, use one of the sides forming the right angle.

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Step 3

Measure the length of the base.

Step 4

Find the height of the triangle. The height is not necessarily one of the triangle's sides. The height will always be at a right angle, or perpendicular, to the base. Measure the height.

Step 5

Multiply the base times the height.

Step 6

Take the number that you calculated in Step 5 and divide it by 2. This will give you the area of the triangle, or the total square measurement.

TL;DR (Too Long; Didn't Read)

Create a basic diagram of the triangle to help you visualize the base side and height of the triangle.

Cite This Article

MLA

Contributor, . "How To Calculate Area Of A Triangle" sciencing.com, https://www.sciencing.com/calculate-area-triangle-2271353/. 24 April 2017.

APA

Contributor, . (2017, April 24). How To Calculate Area Of A Triangle. sciencing.com. Retrieved from https://www.sciencing.com/calculate-area-triangle-2271353/

Chicago

Contributor, . How To Calculate Area Of A Triangle last modified March 24, 2022. https://www.sciencing.com/calculate-area-triangle-2271353/

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