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composite figure

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Which equation can be used to find the area of the composite figure pictured below?

Mar 24, 2021

#1
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The first option, $A = 8(15) + \frac{1}{2}(15 \cdot 7) + \frac{1}{2}(9 \cdot 8).$

$8(15)$ finds the area of the rectangle, $\frac{1}{2}(15 \cdot 7)$ finds the area of the triangle residing on top of the rectangle, and $\frac{1}{2}(9 \cdot 8)$ finds the area of the triangle to the right.

Mar 24, 2021