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Find the surface area of a …

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Find the surface area of a sphere of radius 10.5

    • Posted by Mathan Mathan 8 years, 4 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Baavani Narayana 8 years, 4 months ago

    Surface area of sphere is 4πr² 4×22/7×10.5×10.5 7 is simplified 1.5 times so, 4×22=88 , 88×1.5×10.5= 132×10.5, = 1386

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