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If each side of a square …

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If each side of a square is doubled then what percent of its area increased

    • Posted by Lisha S U 6 years, 11 months ago

    CBSE > Class 07 > Mathematics
    • 1 answers

    Yogita Ingle 6 years, 11 months ago

    Let initial side  <nobr aria-hidden="true">= x</nobr>

    Initial area = (side)2 = x2

    Final side <nobr aria-hidden="true">=2 x </nobr>

    Final area =(2x)2=4x2

    %<nobr aria-hidden="true">increase=increase/initial ×100
    = 4x2/x2 </nobr>×100
    = 4 ×100
    = 400%

    <nobr aria-hidden="true"></nobr>

    %increase=400%

    1Thank You

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