Melissa M.

asked • 09/22/19

The equation for finding the area of a trapezoid is A=1/2(b1+b2)h. What is the equation and solved for H

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William W. answered • 09/22/19

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Many times you will need to use trigonometry to find h.


Example:

You would use the Pythagorean Theorem to solve for h. h2 + 32 = 52 so h = 4

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William W.

tutor
I went back and looked at this answer and I think I didn't understand your question when I read it originally. Sorry. I think you meant to ask, using the equation for the area of a trapezoid (A=1/2(b1+b2)h), solve it for h. If that is what you meant then multiply both sides by 2 [giving 2A = (b1 + b2)h] then divide both sides by (b1 + b2) to get 2A/(b1+b2) = h
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09/23/19

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