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26 September, 15:33

A rectangle's length is twice its width. if the perimeter is 66 cm find the width of the rectangle

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  1. 26 September, 17:34
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    Perimeter = 2L + 2W

    Let x = width and let 2x = length

    Perimeter = 66

    2x + 2 (2x) = 66

    2x + 4x = 66 - - > 6x = 66 - - > x = 66/6 - - > x = 11

    The width of the rectangle is 11 cm.
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