document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=93649>Question 93649</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a rectangular coordinate system, the center of a circle has coordinates (5,12), and the circle touches the x-axis at one point only. What is the radius of the circle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #68225 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=68225\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In the rectangular coordinate system the x axis number is written 1st.<BR>\n" );
document.write( "So, in your problem the x coordinate is 5 and the y coordinate is 12.<BR>\n" );
document.write( "The fact that circle touches the x (horizontal) axis only once means that the bottom of the circle is resting on it. Therefore, the center of the circle is 12 units above the x axis and the radius is 12. </SPAN>\n" );
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