Question

The surface areas of two spheres are in the ratio 4:25, find the ratio of their volumes.
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Answer 1

Answer:

4πr^2/4πR^2=4/25

r^2/R^2=4/25

r/R=2/5

Ratio of their volumes

4/3πr^3/4/3πR^3=r^3/R^3=2^3/5^3=8/125

the ratio of their volume is 8/125

Answer 2

Answer:

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