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How do i find the area of a triangle if the base is 2 1/5yards and the hieght is 5/9yard?

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Area of triangel = 1/2BH
2 1/5 = 11/5

(1/2)(11/5)(5/9)= 55/90

approximately .61 yards

Posted on Nov 09, 2012

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I find the easiest way to solve these is to sketch them first (I'm a visual learner;) We get a nice right-angled triangle, with the right-angle at B. The formula for the area of a triangle is 1/2 * base* height or (base * height)/2.

We can use BC or AB as the base.

If we use BC as the base, the length is 9-4 or 5. The height is 6-2 or 4.

We can now but the base and the height in the formula to figure out the area.

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Here is how i did it (my way).
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This site might be a bit more helpful for calculations where some of the numbers may not be known. Good luck!

http://www.wikihow.com/Calculate-the-Area-of-a-Triangle

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