Example 6 - Chapter 11 Class 9 Surface Areas and Volumes

Last updated at August 7, 2026 by

Example 6 - The hollow sphere in which circus motorcyclist - Examples

 

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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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