document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=610011>Question 610011</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Line segment BA and line segment BC are tangent to circle O at A and C, respectfully. How would I write a two column proof to prove that line segment BA is congruent to line segment BC????please help i\"m so lost!!!!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #384084 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=384084\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the segments are tangent, so they are perpendicular to a radius at the points of tangency, A and C\r<BR>\n" );
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document.write( "OB is the hypotenuse of the two congruent right triangles formed by BA, BC and the radii at A and C\r<BR>\n" );
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document.write( "the two right triangles are congruent by hypotenuse-leg (OB and the two radii)\r<BR>\n" );
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document.write( "BA and BC are congruent by CPCTC </SPAN>\n" );
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