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Question

Find the surface area of a sphere.
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A
452.16ft2
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B
455.16ft
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C
452.16 cm2
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D
455.16 m2
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Solution

The correct option is A 452.16ft2
We know, surface area of sphere, A=4πr2.
Given, radius, r=6 ft.
After substituting the value in the formula we get:
Surface area of the sphere,
A=4×3.14×62
=4×3.14×6×6
=452.16 ft2.
Therefore, option A is correct.

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