1.

Diameter of a sphere is 21 cm. What will be the volume of the sphere?1. 4867 cm32. 4942 cm33. 4851 cm34. 4951 cm3

Answer» Correct Answer - Option 3 : 4851 cm3

Given:

Diameter of sphere = 21 cm

⇒ Radius (r) = 21/2 cm

Formula used:

The volume of the sphere = (4/3) π r3, where r will be the radius of the sphere

Calculation:

The volume of the sphere = (4/3) π r3

⇒ (4/3) × (22/7) × (21/2) × (21/2) × (21/2)

⇒ 4851 cm3

∴ The volume of the sphere is 4851 cm3



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