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Surface area of a sphere whose radius is 1 unit. 

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Surface area of a sphere whose radius is 1 unit. 

A) 2π 

B) 4π

C) 4πr2 

D) 2πr2

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2 Answers

+1 vote
by (57.0k points)
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Best answer

Correct option is (B) 4π

r = 1 unit

Surface area of sphere \(=4\pi r^2\)

\(=4\pi\times1^2=4\pi\) square units

+1 vote
by (36.7k points)

Correct option is  B) 4π

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