Question

21.The radius of a sphere is 7 m. What is its volume?

Answer 1

Explanation:

See the photocopy attached for solution.

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Answer 2

Given:-

• Radius of Sphere = 7m

To Find:-

• Volume of Sphere (v).

Solution:-

We know that,

Volume of Sphere = 4/3 × π × r^3

Putting the value we get

⟹ volume of Sphere = 4/3 × 22/7 × 7^3

⟹ volume of Sphere = 4/3 × 22/7 × 7×7×7

⟹ Volume of Sphere = 4/3 × 22 × 49

⟹ Volume of Sphere = 4/3 × 1078

⟹ Volume of Sphere = 4 × 359.33

⟹ volume of Sphere = 1437.32m^3

∴ The Volume of Sphere is 1437.32 m^3.