document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=327055>Question 327055</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A wagon wheel is placed against a wall as<BR>\n" );
document.write( "shown in the accompanying figure. One point on the edge<BR>\n" );
document.write( "of the wheel is 5 inches from the ground and 10 inches<BR>\n" );
document.write( "from the wall. What is the radius of the wheel </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #234248 by </B><A HREF=/tutors/aboutme.mpl?userid=galactus><B>galactus(183)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=galactus><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=galactus><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=234248\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If we draw a picture, we can see that the radius of the wheel has length \r<BR>\n" );
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document.write( "R=10+x or R=5+y............[1]\r<BR>\n" );
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document.write( "The equation of a circle is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2By%5E2=R%5E2 ALIGN=MIDDLE  ALT=\"x%5E2%2By%5E2=R%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "From [1], we see that x=R-10 and y=R-5\r<BR>\n" );
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document.write( "This gives us \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28R-10%29%5E2%2B%28R-5%29%5E2=R%5E2 ALIGN=MIDDLE  ALT=\"%28R-10%29%5E2%2B%28R-5%29%5E2=R%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now, we have to down to one variable.\r<BR>\n" );
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document.write( "Simplify and form a quadratic:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5E2-30R%2B125=0 ALIGN=MIDDLE  ALT=\"R%5E2-30R%2B125=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R=5 ALIGN=MIDDLE  ALT=\"R=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R=25 ALIGN=MIDDLE  ALT=\"R=25\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Of course, 5 is extraneous and we find the wheel has radius 25 inches. </SPAN>\n" );
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