document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=635913>Question 635913</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two hemispheres have volumes in the ratio a^2/b^3. What is the ratio of their surface areas? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #400676 by </B><A HREF=/tutors/aboutme.mpl?userid=sachi><B>sachi(548)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sachi><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/cgi-bin/show-face.mpl?user=sachi><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=400676\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two hemispheres have volumes in the ratio a^2/b^3. What is the ratio of their surface areas?  \r<BR>\n" );
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document.write( "ans:- i think the ratio must be a^3/b^3<BR>\n" );
document.write( "then the volume of hemisphere=1/2(4/3pi r^3)<BR>\n" );
document.write( "being the coeffiicent 1/2(4/3pi ) is constant the ratio will be simply R^3/r^3<BR>\n" );
document.write( "so R^3/r^3= a^3/b^3<BR>\n" );
document.write( "or R/r=a/b<BR>\n" );
document.write( "so ratio of areas=R^2/r^2=a^2/b^2 ans\r<BR>\n" );
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