document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1117749>Question 1117749</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The vertical angle of an inverted cone is 90 degrees. Water is poured into the cone to a depth of 24 cm. \r<BR>\n" );
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document.write( "a) Find the exact area of the surface of the water.\r<BR>\n" );
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document.write( "b) Find the exact area of the water in contact with the cone. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #732919 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=732919\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "a) If the vertex angle of the cone is 90 degrees and the cone is filled to a depth of 24cm, then the radius of the surface of the water is 24cm.  Then the area of the surface of the water is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28pi%29r%5E2+=+576pi ALIGN=MIDDLE  ALT=\"%28pi%29r%5E2+=+576pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<br><BR>\n" );
document.write( "b) The area of the water in contact with the cone is the lateral surface area of a cone: pi times the radius of the base times the slant height.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28pi%29%28r%29%28l%29+=+%28pi%29%2824%29%2824sqrt%282%29%29+=+576pi%2Asqrt%282%29 ALIGN=MIDDLE  ALT=\"%28pi%29%28r%29%28l%29+=+%28pi%29%2824%29%2824sqrt%282%29%29+=+576pi%2Asqrt%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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