1.A golf ball has diameter equal to 4.1 cm. Its surface has 150 dimple – InterviewSolution

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1.A golf ball has diameter equal to 4.1 cm. Its surface has 150 dimples each of radius 2 mm.Calculate total surface area which is exposed to the surroundings. (Assume that the dimplesare all hemispherical)in boll

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150 *surface area of hemisphere +surface area of golf

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