SOLUTION: earth's radius is approximately 4000 miles. about 2/3 of earth's surface is covered by water. estimate the land area on earth?
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Question 959264: earth's radius is approximately 4000 miles. about 2/3 of earth's surface is covered by water. estimate the land area on earth?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
A=4PIR^2
A=4*3.12*4000^2
A=199,680,000 SQ. MILES TOTAL AREA.
1/3A=199,680,000/3
A=66,493,440 SQ. MILES OF LAND,
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