document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=410872>Question 410872</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am really confused with these circles.  Can you please help me with this?  I know  the answer is 16, but I don't know how to work the problem to get there.\r<BR>\n" );
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document.write( "\"Suppose you have two cans of paint that can cover a total of 800 sq.ft.  Find the radius of the largest circle you can paint.  Round to the nearest tenth of a foot.\"\r<BR>\n" );
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document.write( "Please explain so that I will be able to do these on my own.  Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #288899 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=288899\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose you have two cans of paint that can cover a total of 800 sq.ft.<BR>\n" );
document.write( " Find the radius of the largest circle you can paint. Round to the nearest tenth of a foot.\"<BR>\n" );
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document.write( "You know the largest circle you can paint will be 800 sq/ft<BR>\n" );
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document.write( "You know the Area of circle formula:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"pi%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = A<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"pi%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 800; find r<BR>\n" );
document.write( "Divide both sides by pi and you have<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2 ALIGN=MIDDLE  ALT=\"r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=800%2Fpi ALIGN=MIDDLE  ALT=\"800%2Fpi\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "which is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2 ALIGN=MIDDLE  ALT=\"r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 254.648; (divided 800 by pi using a calc)<BR>\n" );
document.write( "Find the square root of both sides<BR>\n" );
document.write( "r = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28254.648%29 ALIGN=MIDDLE  ALT=\"sqrt%28254.648%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Find this also on a calc<BR>\n" );
document.write( "r = 15.96 rounded to 16 ft is the radius of the circle<BR>\n" );
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document.write( "YOu can prove this to yourself<BR>\n" );
document.write( "Find the area of circle using calc: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A16%5E2 ALIGN=MIDDLE  ALT=\"pi%2A16%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 804, not 800 because we rounded up 16 ft<BR>\n" );
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document.write( "Did explain things to you?<BR>\n" );
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