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How many spherical balls of radius 1 cm can be made by melting a hemisphere of radius 6 cm?

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How many spherical balls of radius 1 cm can be made by melting a hemisphere of radius 6 cm?
1). 112
2). 108
3). 116
4). 104


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1 vote
Answered by on | Votes 1 |

Let be the number of spherical balls that can be made

So, we have

⇒ 2/3(π)(6)3 = n × 4/3(π)(1)3

∴ n = 63/2 = 216/2 = 108

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