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22 March, 18:52

The area of a rectangle is 84 square inches. Its length and width are both whole numbers. What is the minimum perimeter of the rectangle? What is the maximum perimeter of the rectangle?

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  1. 22 March, 22:29
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    Write all pairs of numbers that multiply to be 84. Then add the two numbers and double to get perimeter. See which is largest and smallest.

    1 x 84

    2 x 42

    3 x 28

    4 x 21

    6 x 14

    7 x 12
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