document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=465383>Question 465383</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many cans of paint are needed to paint both the interior and exterior of an open conical shaped tank that has an 8 ft base radius and is 15 ft tall? one can covers 200 square feet.\r<BR>\n" );
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document.write( "a. 3\r<BR>\n" );
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document.write( "b. 4\r<BR>\n" );
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document.write( "c 5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #319012 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=319012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> c. 5 cans of paint.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+pi%2Ar%2Asqrt%28r%5E2+%2B+h%5E2%29 ALIGN=MIDDLE  ALT=\"S+=+pi%2Ar%2Asqrt%28r%5E2+%2B+h%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > gives the lateral surface area of the cone.\r<BR>\n" );
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document.write( "r = 8, h = 15 ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+136pi ALIGN=MIDDLE  ALT=\"S+=+136pi\"   DISABLED_style= \"max-width:90%; height:auto;\" > square ft, the lateral surface area.\r<BR>\n" );
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document.write( "Since both inside and outside are to be painted, we need paint that will cover an area of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=272pi ALIGN=MIDDLE  ALT=\"272pi\"   DISABLED_style= \"max-width:90%; height:auto;\" > sq.ft.  Dividing this by 200, we get 4.272 approximately.\r<BR>\n" );
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document.write( "Hence 5 cans of paint are needed.\r<BR>\n" );
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