document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=153186>Question 153186</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to calculate the number of roses necessary to cover an 8\" globe.  The roses would average 2\" in width. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #112709 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=112709\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> By \"8-inch globe\", I assume that you mean the diameter of the globe (sphere) is 8 inche!?<BR>\n" );
document.write( "And by the roses' average width of 2\" I assume that the diameter of the rose averages 2 inches!<BR>\n" );
document.write( "So, let's find the surface area of the 8\" globe (sphere).<BR>\n" );
document.write( "The surface area of a sphere is given by:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5Bg%5D+=+pi%2AD%5E2 ALIGN=MIDDLE  ALT=\"A%5Bg%5D+=+pi%2AD%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > ...and the area of a rose, which approximates a circle, is given by:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5Br%5D+=+pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"A%5Br%5D+=+pi%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5Br%5D+=+pi%2A%28D%2F2%29%5E2 ALIGN=MIDDLE  ALT=\"A%5Br%5D+=+pi%2A%28D%2F2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2AD%5E2%2F4 ALIGN=MIDDLE  ALT=\"pi%2AD%5E2%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, for the 8\" globe, we have:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5Bg%5D+=+pi%2A%288%29%5E2 ALIGN=MIDDLE  ALT=\"A%5Bg%5D+=+pi%2A%288%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5Bg%5D+=+64%2Api ALIGN=MIDDLE  ALT=\"A%5Bg%5D+=+64%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" >sq.in....and for the roses, we have:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5Br%5D+=+pi%2A%282%29%5E2%2F4 ALIGN=MIDDLE  ALT=\"A%5Br%5D+=+pi%2A%282%29%5E2%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5Br%5D+=+pi ALIGN=MIDDLE  ALT=\"A%5Br%5D+=+pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >sq.in.<BR>\n" );
document.write( "Now you want to know many times will the area of the rose (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi ALIGN=MIDDLE  ALT=\"pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >sq.in.) go into the area of the globe (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=64%2Api ALIGN=MIDDLE  ALT=\"64%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" >sq.in.)? So we divide the globe area by the rose area.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=64%2Across%28pi%29%2Fcross%28pi%29+=+64 ALIGN=MIDDLE  ALT=\"64%2Across%28pi%29%2Fcross%28pi%29+=+64\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You would need about 64 2\"-roses to cover the surface of an 8\"-globe. </SPAN>\n" );
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