SOLUTION: If a sphere is made from the three different sphere whose radius are 3 cm , 4 cm and 5 cm respectively then what is the radius of new sphere ? How ?

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Question 947365: If a sphere is made from the three different sphere whose radius are 3 cm , 4 cm and 5 cm respectively then what is the radius of new sphere ? How ?
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
Volume, formula for volume.

v for volume, r for radius:
v=%284%2F3%29%28pi%29r%5E3


What is the total volume of the three initial starting spheres?

What is the radius of a sphere with that volume?