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5 August, 06:59

What is the area of a square, in square feet, whose perimeter is 20 feet

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  1. 5 August, 07:23
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    Perimeter of a square = 20 feet = 4a

    =>4a = 20

    =>a = 20/4

    =>a = 5 feet

    Area of a square = a²

    =>a² = 5²

    =>a = 25 square feet
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