RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 21. Surface Area and Volume of a Sphere

Subject: Mathematics - Class 9th

Q. No. 8 of CCE - Formative Assessment

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8

If the surface area of a sphere is 144πm2, then its volume (in m3) is

Surface area of a sphere = 4πr2


Given, surface area of a sphere is 144πm2


4πr2 = 144π


r = 6 m


Volume of the sphere = (4/3) × π × 63


Volume of the sphere = 288π m3

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