Question

the surface area of two sphere are in the ratio of 4:25 . find the ratio of their volumes.​

Answer 1

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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Answer 2

Please find the attachment