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OpenStudy (anonymous):
the diameter of the moon is 3480km. (a) whats the surface area of the moon? (b)how many times larger is the surface area of the earth?
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OpenStudy (anonymous):
(a) SA = 4 pi r^2 = 4 pi (3480/2)^2 = 38,045,911 km^2 (b) SA of Earth = 510,000,000 km^2 The Earth's surface area is approximately 13 and a 1/2 times greater.
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