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3 years ago

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

Mathematics

1 answer:

Vsevolod [243]3 years ago

7 0

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.

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