the voulumes of two spheres are in the ratio 8:27 the ratio of their surface areas is
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Answer:
Ratio of surface areas is :- 4:9
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Answer:
let,
radius of first sphere be r1
radius of second sphere be r2
4/3πr1³:4/3πr2³=8:27
r1³: r2³=8:27
27r1³=8r2³
3r1=2r2
r1/r2=2/3
ratio of surface areas
4πr1²:4πr2²
=r1²:r2²=(r1/r2)²=(2/3)²=4:9
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