Example 6 - Chapter 11 Class 9 Surface Areas and Volumes

Last updated at April 16, 2024 by

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Example 6 : The hollow sphere, in which the circus motorcyclist performs his stunts, has a diameter of 7 m. Find the area available to the motorcyclist for riding. Diameter of the sphere = 7 m. Radius = r = 7/2 m = 3.5 m Area available to motorcyclist for riding = Area of sphere = 4πr2 = 4 × 22/7 × 3.5 × 3.5 m2 = 154 m2

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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