SOLUTION: one spherical globe has a diameter of 9.5 in. and another has a diameter of 14 in. what is the difference in their surface areas

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Question 1080708: one spherical globe has a diameter of 9.5 in. and another has a diameter of 14 in. what is the difference in their surface areas
Answer by Alan3354(69443) About Me  (Show Source):
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one spherical globe has a diameter of 9.5 in. and another has a diameter of 14 in. what is the difference in their surface areas
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SA+=+4pi%2Ar%5E2
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Find the 2 areas and subtract.
Or,
Diff+=+4pi%2A%287%5E2+-+4.75%5E2%29