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

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The diameter that a basketball is around 9.5 inches and the diameter of a tennis ball is approximately 2.5 inches. The volume the the basketball is around how plenty of times better than the volume of the tennis ball?

1) 3591

2) 65

3) 55

4) 4

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volume of basketball = 4/3 πr3

where r is the radius.

radius = diameter / 2

since diameter = 9.5,

radius = 9.5/2 = 4.75

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

= 448.92

volume the tennis round = 4/3 πr3

where r is the radius.

radius = diameter / 2

since diameter = 2.5,

radius = 9.5/2 = 1.25

Thus, volume of tennis ball = 4/3 x π x 1.253

= 8.18

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

448.92/8.18 = 55

Ans 3

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