Question

7. The diameter of the moon is approximately one fourth of the diameter of the earth.
Find the ratio of their surface areas ​

Answer 1

Answer:

diameter of earth = d

radius = r

diameter of moon. = d /4

radius = r /4

surface area of earth = 4π r^2

surface area of moon = 4π r^2

ratio = csa of earth

csa of moon

ratio = 4πr^2 = r^2

4πr^2 r^2

= (r) ^2

( r / 4 ) ^ 2

=. r^2 × 16

r^2

= 1: 16

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Answer 2

Answer:

this answer is right. it is right