the surface area of two sphere are in the ratio of 4:25 . find the ratio of their volumes.
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Answer:
Step-by-step explanation:
Let their radii be R and r
Then,
4πR24πr2=425⇒(Rr)2=(25)2⇒Rr=25
∴ Ratio of volumes :
=43πR343πr3=(Rr)3=(25)3=8125=8:125
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