Ex 11.4, 5 - Chapter 11 Class 9 Surface Areas and Volumes

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Ex 11.4 , 5 How many litres of milk can a hemispherical bowl of diameter 10.5 cm hold? Radius of hemisphere = r = /2 = 10.5/2 = 5.25 cm Volume of the bowl = 2/3 r3 = 2/3 22/7 5.25 5.25 5.25 cm3 = 303.1875 cm3 = 303.1875 1/1000 litre = 0.3031875 litre = 0.303 litre (approx.) Hence, the hemispherical bowl can hold 0.303 litre (approx.)

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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