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You are watching: The diameter of a basketball is approximately 9.5 inches

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The diameter the a basketball is roughly 9.5 inches and also the diameter of a tennis round is roughly 2.5 inches. The volume that the basketball is around how numerous times higher than the volume of the tennis ball?

1) 3591

2) 65

3) 55

4) 4

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volume the basketball = 4/3 πr3

where r is the radius.

radius = diameter / 2

since diameter = 9.5,

radius = 9.5/2 = 4.75

Thus, volume of basketball = 4/3 x π x 4.753

= 448.92

volume of tennis sphere = 4/3 πr3

where r is the radius.

radius = diameter / 2

since diameter = 2.5,

radius = 9.5/2 = 1.25

Thus, volume the tennis sphere = 4/3 x π x 1.253

= 8.18

Therefore, the volume the the basketball is 448.92/8.18 times greater than the volume the the tennis ball

448.92/8.18 = 55

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