document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=557433>Question 557433</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of a tangent from point A at distance 5 cms from the center of the circle is 4 cm. Find 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 #362603 by </B><A HREF=/tutors/aboutme.mpl?userid=rajagopalan><B>rajagopalan(174)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rajagopalan><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=rajagopalan><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=362603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The length of a tangent 4<BR>\n" );
document.write( "A at distance 5 cms from the center of the circle<BR>\n" );
document.write( "Let Radius =R<BR>\n" );
document.write( "Tangent meant it makes 90 degrees<BR>\n" );
document.write( "so 4square+R square=5 square<BR>\n" );
document.write( "4^2+R^2=25<BR>\n" );
document.write( "R^2=25-16<BR>\n" );
document.write( "R^2=9<BR>\n" );
document.write( "R=root9<BR>\n" );
document.write( "R=3<BR>\n" );
document.write( "Rad of circle=3 units  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );