Ex 11.3, 5 - Chapter 11 Class 9 Surface Areas and Volumes

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Ex 11.3, 5 A conical pit of top diameter 3.5 m is 12 m deep. What is its capacity in kiloliters? Height of conical pit = h = 12 m Radius of conical pit = r = ( )/2 = 3.5/2 m = 1.75 m Capacity of pit = Volume of cone = 1/3 2 = (1/3 22/7 1.75 1.75 12) m3 = 38.5 m3 = 38.5 kiloliters Capacity of pit = 38.5 kiloliters.

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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