the diameter of the moon is approx one fourth of the diameter of the earth.find the ratio of their surface area.
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let diameter of Earth be 2e and radius will be e
given dia of moon is 1/4(2e) =(1/2)e implies radius is (1/4)e
surface area of Earth=4πr*r= 4πe*e
surface area of moon=4πr*r= 4πe*e/16
ratio of areas= 16:1
given dia of moon is 1/4(2e) =(1/2)e implies radius is (1/4)e
surface area of Earth=4πr*r= 4πe*e
surface area of moon=4πr*r= 4πe*e/16
ratio of areas= 16:1
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