document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=157683>Question 157683</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the approximate surface area of the observatory if the radius is 10 ft and its altitude measures 24 ft   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #116184 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=116184\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'm assuming the building is a cylinder with a hemisphere roof.<BR>\n" );
document.write( "The cylinder surface are is the perimeter of the circle (hemisphere) multiplied by the height of the cylinder.<BR>\n" );
document.write( "The height of the cylinder is the total height minus the hemisphere radius.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA%5Bc%5D=2%2Api%2A10%2A%2824-10%29 ALIGN=MIDDLE  ALT=\"SA%5Bc%5D=2%2Api%2A10%2A%2824-10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA%5Bc%5D=2%2Api%2A10%2A%2814%29 ALIGN=MIDDLE  ALT=\"SA%5Bc%5D=2%2Api%2A10%2A%2814%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA%5Bc%5D=280%2Api ALIGN=MIDDLE  ALT=\"SA%5Bc%5D=280%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The surface area of the hemisphere is 1/2 the surface area of a sphere with radius 10 ft.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA%5Bs%5D=%281%2F2%29%2A4%2Api%2AR%5E2 ALIGN=MIDDLE  ALT=\"SA%5Bs%5D=%281%2F2%29%2A4%2Api%2AR%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA%5Bs%5D=2%2Api%2A10%5E2 ALIGN=MIDDLE  ALT=\"SA%5Bs%5D=2%2Api%2A10%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA%5Bs%5D=200%2Api ALIGN=MIDDLE  ALT=\"SA%5Bs%5D=200%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "THe total surface is the sum of these two.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA%5Bt%5D=280%2Api%2B200%2Api ALIGN=MIDDLE  ALT=\"SA%5Bt%5D=280%2Api%2B200%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA%5Bt%5D=480%2Api ALIGN=MIDDLE  ALT=\"SA%5Bt%5D=480%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or approximately<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA%5Bt%5D=1508 ALIGN=MIDDLE  ALT=\"SA%5Bt%5D=1508\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "1508 sq. ft. </SPAN>\n" );
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