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Example 7 - Chapter 13 Class 9 Surface Areas and Volumes (Term 2)
Last updated at May 29, 2018 by Teachoo
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Surface Area and Volume Formulas Important
Chapter 13 Class 9 Surface Areas and Volumes
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Transcript
Example 7 Find the surface area of a sphere of radius 7 cm. Given r = 7cm Surface Area of sphere = 4πr2 = 4 × 22/7 × 7 × 7 cm2 = 4 × 22× 1 × 7 cm2 = 616 cm2
