volume of 2 spheres 8:27 then there ratio of surface area?
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Here's the answer. I hope this helps.
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Let the first radius be r and the other one be R.
Then 4/3 π r³ : 4/3 π R³ :: 8:27
Cancelling 4/3 π, we get
r³:R³::8:27
=>r:R::2:3
=>r²:R²::4:9
=>4πr²:4πR²::4:9
Your required answer is 4:9
Then 4/3 π r³ : 4/3 π R³ :: 8:27
Cancelling 4/3 π, we get
r³:R³::8:27
=>r:R::2:3
=>r²:R²::4:9
=>4πr²:4πR²::4:9
Your required answer is 4:9
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