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The two ends of solid cylinder are in the shape of hemisphere. Total length of solid is 19 cm and diameter is 7 cm.

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The two ends of solid cylinder are in the shape of hemisphere. Total length of solid is 19 cm and diameter is 7 cm. Find the volume and surface area of the solid.

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Given

Total height of solid = 19 cm

diameter of the solid = 7 cm

∴ Its radius = \(\frac { 7 }{ 2 }\) cm

Hence, volume of solid = 641.67 cm3

Surface area = 418 cm2

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