document.write( "Question 1036888: The earth is approximately a sphere. It's diameternal is about 12 730km. Water covers approximately 66% of the earth's surface. How many squart kilometres of land cover the earth?\r
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Algebra.Com's Answer #651590 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Area of a sphere=4*pi*r^2; r= (1/2)d=6365 km \n" ); document.write( "Area of land is that result *0.34=173,095,428 km^2 \n" ); document.write( " \n" ); document.write( " |