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MATH SOLVE
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The radius of one sphere is twice as great as the radius of a second sphere. Find the ratio of thei...
5 months ago
Q:
The radius of one sphere is twice as great as the radius of a second sphere. Find the ratio of their surface areas. 1/2 1/4 1/8 1/16
Accepted Solution
A:
Surface area #1: 4*pi*r^2
Surface area #2: 4*pi*(2r)^2 This is 4 times larger than the previous surface area.