The ratio of the volumes of two spheres is 27 : 8. Find the ratio of their surface areas.
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Answer:
9:4
Step-by-step explanation:
Volume Big Sphere : Volume small Sphere
4/3 x pi x R^3 : 4/3 x pi x r^3
R^3 : r^3
27 : 8
∴ R= r =
= 3 = 2
SUrface Area big : Surface area small
4 x pi x R^2 : 4 x pi x r^2
9 : 4
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