Which expression gives the surface area of a sphere with radius 3x?

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Bezmax asked Sep 19, 2022

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22 votes

Which expression gives the surface area of a sphere with radius 3x?

Mathematics
high-school

Bezmax asked Sep 19, 2022

by Bezmax

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14 votes

The answer is D

Explanation

Octachron answered Sep 20, 2022

by Octachron

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9 votes

Answer:

=> 12πr²

Explanation:

The Surface area of sphere is 4πr²

so the surface area of sphere with radius 3x will be

=> 4×3πr²

=> 12πr²

Ande Caleb answered Sep 26, 2022

by Ande Caleb

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