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The diameter ofa sphere whose surface area is 616cmis |
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Answer» 2
By data 4πr 2 =616 4× 7 22
×r 2 =616 r 2 = 4×22 616 7 ×7
r 2 =7×7 r 2 =49 r=7 cm ∴ Diameter of the sphere=2r =2×7 =14 cm |
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