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The length of the diagonal of …

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The length of the diagonal of a square is 20 cm. It's area is

    • Posted by Devlal Devra 6 years, 2 months ago

    CBSE > Class 09 > Mathematics
    • 2 answers

    Yash Chopra 6 years, 2 months ago

    Let side be x cm 20×20=x×x+x×x 400=2x×x X×x=200 X=10√2 X=10×1.41 14.1 Area =14•1×14•1 198.81cm^2

    1Thank You

    Yash Chopra 6 years, 2 months ago

    14.1cm

    1Thank You

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