document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=963801>Question 963801</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a chord of a circle of the radius 5 cm. is a tangent to a circle of radius 3 cm., both the circle being cocentric,<BR>\n" );
document.write( "then the length of the chord is </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #588817 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=588817\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If a chord of a circle of the radius 5 cm. is a tangent to a circle of radius 3 cm., both the circle being cocentric, then the length of the chord is:<BR>\n" );
document.write( ":<BR>\n" );
document.write( "draw this out as described, note the chord is 3 cm from the center, draw two 5\" radii to each end of the chord, forming two right triangles.<BR>\n" );
document.write( "Let a = half the length of the chord, use pythag here<BR>\n" );
document.write( "a^2 + 3^2 = 5^2<BR>\n" );
document.write( "a^2 = 25 - 9<BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2816%29 ALIGN=MIDDLE  ALT=\"sqrt%2816%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = 4\"<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "2 * 4 = 8\" is the length of the chord<BR>\n" );
document.write( ": </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );