document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155551>Question 1155551</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A secant and a tangent intersect in the external of a circle. The chord which is a part of the secant is 3 times as long as the tangent segment and the internal segment of the secant is 10cm. Find the length of their common internal tangent. </SPAN>\n" );
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document.write( "There is no common internal tangent in the figure....<br><BR>\n" );
document.write( "A common internal tangent requires two curves, usually two non-intersecting circles.  There is only one circle and some straight lines in this problem.<br><BR>\n" );
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