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5 January, 20:45

The length of a diagonal of a square is 20 inches. what is its perimeter in radical form

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  1. 5 January, 20:52
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    D=20in=lV2

    l=20/V2=20V2/2=10V2

    P=4*l

    P=4*10V2

    P=40V2
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