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5 July, 17:28

A rectangle with perimeter of 56 centimeters is three times as long as it is wide. What is the area of the rectangle in square centimeters?

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  1. 5 July, 19:21
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    A = 147 cm²

    Step-by-step explanation:

    x + 3x + x + 3x = 56 cm

    8x = 56cm

    x = 7cm

    A = X * 3X

    A = 7 * 3 (7)

    A = 7 * 21

    A = 147 cm²
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