the surface area of sphere is 154cm2. find its radius if it is melted and recast into a cylinder of radius 7cm, find the height of the cylinder plzz answer as soon as possible
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surface area=154 square cm. 4πr2=154r2=154 x 74 x 22 =494r=72cm volume, V=43πr3 V=43 x227 x (72)3V=179.66cm3
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