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The earth has a diameter of about 13,000 km. Estimate the earth's surface area and volume.
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The earth has a diameter of about 13,000 km. Estimate the earth's surface area and volume.

User Cerbin
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That's the diameter given. So divide it by 2 gives 6500 as radius.

Taking the earth as a sphere use the equation 4πr² to find the area

then for the volume of earth taking it as a sphere ,use the equation 4/3πr³

r - radius
User Gourav Makhija
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