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The area and perimeter of a 15.5 x6x8x5 trapezoi

The area and perimeter of a 15.5 x6x8x5 trapezoi-example-1

1 Answer

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The perimiter is 4 times as great as the lenght of any of its sides means that:

4 * a (perimiter) = 4 * a (4 times any of the sides)

It means that one side is 1/4 of the perimeter:

a = 1/4 * 4a
a = a
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