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4 August, 18:26

The length of a rectangle is half the width. The area is 25. What's the perimeter

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  1. 4 August, 20:45
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    the perimeter is 30

    Step-by-step explanation:

    ok so lets say this

    width = x

    length = 2x

    the area is

    A = wl

    or

    25 = x (2x)

    25 = 2x^2

    5 = x thats the width so we know that if we double that we get the legnth so

    the legnth is 10

    the perimeter is defined as:

    2l + 2w = p

    insert the width and legnth

    2 (5) + 2 (10) = p

    10 + 20 = p

    p = 30
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