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20 December, 21:32

The length of a Rectangle is twice the width find the width if the perimeter is 60 cm

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  1. 20 December, 21:37
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    Perimeter = 2 (length+width)

    60 = 2 (l+w)

    l=2w

    Substitution method

    60 = 2 (2w+w)

    60 = 2 (3w)

    30 = 3w

    10 = w

    Plug the value of w in.

    l = 2 (10)

    l=20

    Final answer: Length = 20, width=10
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