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7 August, 06:19

The perimeter of a square is 80 cm. What is the area?

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  1. 7 August, 06:21
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    A = 400 cm^2

    Step-by-step explanation:

    The perimeter of a square is given by

    P = 4s where s is the side length

    80 = 4s

    Divide each side by 4

    80/4 = 4s/4

    20 = s

    We want to find the area of the square

    A = s^2

    A = 20^2

    A = 400 cm^2
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