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Tcecarenko [31]
4 years ago
9

1. Consider a sphere with a radius with an 18 inches.

Mathematics
1 answer:
riadik2000 [5.3K]4 years ago
4 0

Answer:

A) Surface Area = 1296π in²

B) Volume = 7776π in³

Step-by-step explanation:

A) Formula for surface area of a sphere is;

A = 4πr²

Where r is radius.

We are given radius = 18 inches.

Thus; A = 4π × 18²

A = 1296π in²

B) Volume of a sphere is;

V = (4/3)πr³

V = (4/3)π × 18³

V = 7776π in³

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