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The radius of a sphere is 3 inches. Which represents the volume of the sphere?

a. 12pi cubic inches
b. 36pi cubic inches
c. 64pi cubic inches
d. 81pi cubic inches​

User Jshen
by
4.1k points

2 Answers

7 votes

Answer:

B. 36 pi cubic inches

User Ericn
by
5.1k points
7 votes

Answer:

b

Explanation:

The volume (V) of a sphere is calculated as

V =
(4)/(3)πr³ ( where r is the radius )

Here r = 3, thus

V =
(4)/(3)π × 3³

=
(4)/(3)π × 27 = 4π × 9 = 36π in³ → b

User Hrvoje
by
5.3k points