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The radius of sphere is rcm It is divided into two equal parts .Find the whole surface of two parts |
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Answer» TSA of one half part = 2*pi*sqr(r) + pi * Sqr (r) = 3*pi*sqr(r)TSA of both half parts = 2 *(3*pi*sqr(r)) = 6* pi * Sqr (r) 22/7(r power2/4) |
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