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FIND THE HEIGHT OF THE TRAPEZOID A =80 CM2 7CM 9cm what is H

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\text{Area = }\frac{(B\text{ + b) }\cdot\text{ a}}{2}

B = 9

b = 7

A = 80

a = ?

Substitution


\begin{gathered} \text{ 80 = }\frac{(9\text{ + 7)}\cdot a}{2} \\ \text{ 80 = }(16a)/(2) \\ \text{ 80 = 8a} \\ \text{a = }(80)/(8) \\ a\text{ = 10 cm} \end{gathered}

The height of the trapezoid is 10 cm

User Dmytro Sadovnychyi
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