Given the figures are similar, calculate the perimeter of the ABCDE.

asked Aug 5, 2019 210k views

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Let the length of side AB be $x$, then

$\cfrac{x}{2}=\cfrac{12}{4}\Rightarrow4x=24\Rightarrow x=\cfrac{24}{4}=6.$

Therefore, the perimeter of ABCDE is 2(12) + 2(4) + 6 = 24 + 8 + 6 = 38 in.

Mgoldwasser answered Aug 10, 2019

7.4k points

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