What is the volume of a sphere with a radius of 9 inches?

108π cubic inches
242π cubic inches
642π cubic inches
972π cubic inches

Respuesta :

V = 4/3 π r^3 
V = 4/3 π (9 inches) ^3 
V = 972 π in^3

The volume of the sphere with a radius of 9 inches is 972π cubic inches

Given:

Radius of the sphere, r = 9 inches

Volume of a sphere = 4/3πr³

= 4/3 × π × 9³

= 4/3 × π × 9 × 9 × 9

= (4 × π × 9 × 9 × 9) / 3

= 2,916π / 3

= 972π cubic inches

Therefore, volume of the sphere with a radius of 9 inches is 972π cubic inches

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