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Find the surface area of sphere of diameter 14 cm, 21cm, 3.5m |
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Answer» Answer: 1) 176 sq.cm 2) 264 sq.cm 3) 44 sq.m Step-by-step explanation: 1) radius =14 cm surface area of SPHERE = 4πr square 4 × 22/7 × 14 = 176 sq.cm 2) radius= 21 cm surface area of sphere = 4 × 22/7 × 21 = 264 sq.cm 3) radius = 3.5 m surface area of sphere = 4 × 22/7 × 3.5 = 44sq.m |
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