Diameter of the earth is 4 times approximately the diameter of moon then find the ratio of their surface area
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34
16:1 is the ratio of surface areas of earth and moon respectively if taken as a sphere.....{4πr^2 is surface area of sphere.}......
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given earth's diameter = 4 x moon's diameter
D=4d
D/2= 2d
R = 4r
Ratio of SAs= 4πR²:4πr²
=16r²: r²
=16:1
D=4d
D/2= 2d
R = 4r
Ratio of SAs= 4πR²:4πr²
=16r²: r²
=16:1
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