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# Find the Volume of a Sphere Whose Radius Is 7 cm. - CBSE Class 9 - Mathematics

ConceptVolume of a Sphere

#### Question

Find the volume of a sphere whose radius is 7 cm.

["Assume "pi=22/7]

#### Solution

Radius of sphere = 7 cm

"Volume of sphere "= 4/3pir^3

=[4/3xx22/7xx(7)^2]cm^3

=(4312/3)cm^3

=1437 1/3 cm^3

Therefore, the volume of the sphere is 1437 1/3 cm^3

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#### APPEARS IN

NCERT Solution for Mathematics Class 9 (2018 to Current)
Chapter 13: Surface Area and Volumes
Ex. 13.80 | Q: 1.1 | Page no. 236

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Solution Find the Volume of a Sphere Whose Radius Is 7 cm. Concept: Volume of a Sphere.
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