document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=550146>Question 550146</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The internal and external diameters of a hollow hemisherical vessel are 14cm and 21cm respectively.The cost of silver plating of 1cm^2 of its surface is Rs 1.60.Find the total cost of siver plating the vessel all over.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #358536 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=358536\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Surface Area of hemisphere = 2pir^2\r<BR>\n" );
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document.write( "Outside sphere  radius = 10.5  (21/2)\r<BR>\n" );
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document.write( "Outside surface area = 2*pi*10.5^2<BR>\n" );
document.write( "692.72 cm^2<BR>\n" );
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document.write( "Inner radius = 7 (14/2)\r<BR>\n" );
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document.write( "Inner surface area = 2 * pi^7^2<BR>\n" );
document.write( "=307.87 cm^2\r<BR>\n" );
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document.write( "Total surface area =1000.59 cm^2 \r<BR>\n" );
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document.write( "You have to add the rim area <BR>\n" );
document.write( "internal radius = 7 cm <BR>\n" );
document.write( "outer radius = 10.5<BR>\n" );
document.write( "Area of rim = pi* (10.5^2-7^2)<BR>\n" );
document.write( "=192.42 cm^2\r<BR>\n" );
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document.write( "Total = 692.72+307.87 192.42 <BR>\n" );
document.write( "=1193.01 cm^2\r<BR>\n" );
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document.write( "1193.01* 1.6=Rs.1908.81\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca\r<BR>\n" );
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