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

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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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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo