# Diameter of the moon is approximately one fourth of the diameter of the earth.Find the ratio of their surface areas

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by addi1

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by addi1

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The Brainliest Answer!

radius of the earth = d/2

radius of the moon= 1/2 x d/4 = d/8

surface area of the moon = 4 x pi x (d/8)^2

surface area of the earth = 4 x pi x (d/2)^2

required ratio= 4 pi(d/8)^2 ÷ 4 pi(d/2)^2

=4/64

= 1/16

∴the ratio between their surface areas is 1:16