The volumes of two spheres are in the ratio 64:27. Find the ratio of their surface areas.
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Answer:
Step-by-step explanation:
let radius of two spheres be r and r'
A.T.Q, (4/3πr³)/(4/3πr'³)=64/27
r/r'=∛64/27
r/r'=4/3 eq. 1
4πr²/4πr'²
r²/r'²
(r/r')²
from 1. (4/3)²
16/9 ans.4
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