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Ex 11.4, 10 - Chapter 11 Class 9 Surface Areas and Volumes

Last updated at May 29, 2023 by

Ex 13.8, 10 - A capsule of medicine is in shape of sphere - Ex 13.8

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Ex 11.4 , 10 A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm3) is needed to fill this capsule? Capsule is of form of sphere Radius of sphere = r = /2 = 3.5/2 mm = 1.75 mm. Medicine needed for its filling = Volume of sphere = 4/3 r3 = (4/3 22/7 1.75 1.75 1.75) mm3 = 22.46 mm3

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