the diameter of moon s aproximately onefourthof the earth find ratio of their surfaces area
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the diameter of moon s aproximately onefourthof the earth find ratio of their surfaces area
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Diameter of Moon = D / 4
Radius of Earth = D / 2
Radius of Moon = D / 8
Earth and Moon are like spheres.
so Volume 0f Earth = 4 / 3 × π(D/2)^3
and Volume of Moon = 4 / 3 × π (D/8)^3
so ratio of their volumes.
= 512/8 = 64:1
Curved Surface area of Earth = 4π(D/2)^2
Curved Surface area of Moon = 4π(D/8)^2
so ratio of their surface area.
= 64/4 = 16:1