Haryana Police Constable Model Paper 7

Question : 25 of 101

Marks: +1, -0

If radius of a sphere is 7 cm then find its Surface Area?

Solution:

Surface area of sphere

= 4\π\r^{2}

Surface area of sphere

= 4 × (22/7) × 7 × 7 \cm^{2}

⇒ 616 \cm^{2}

∴ The surface area is

616 \cm^{2}

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