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Calculate surface area of a sphere with a radius of 13.
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3 votes
Calculate surface area of a sphere with a radius of 13.

User Tasawer Khan
by
5.5k points

2 Answers

2 votes

Answer:

2120 (rounded off to 3 s.f.)

Formula:

Surface area of sphere = 4×pi×r²

Explanation:

Apply the formula with the radius as 13:

4×pi×13² = 4×pi×169

= 676pi

= 2120 (rounded off to 3 s.f.)

User Arnold Zak
by
4.8k points
4 votes

Answer:

2123.72

Explanation:

A=4πr2=4·π·132≈2123.71663

User Mariotomo
by
5.5k points
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