document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=658548>Question 658548</A>: <I><SPAN STYLE=\"word-break: break-all;\"> assuming the earth to be a sphere of radius 6370km how many square kms is area of land if 3/4th of the earth surface is covered by water </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #410322 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=410322\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> assuming the earth to be a sphere of radius 6370km how many square kms is area of land if 3/4th of the earth surface is covered by water<BR>\n" );
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document.write( "Total area of earth = 4(pi)r^2<BR>\n" );
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document.write( "(3/4) area of earth = 3(pi)r^2 = 3(pi)6370^2 sq km<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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