document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=270754>Question 270754</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If line AC is tangent to circle O at point B , OC=65 and BC=60,What is the area of the square that would circumscribe the circle<BR>\n" );
document.write( "(heres a link to a diagram if you need it)<BR>\n" );
document.write( "http://www2.edmastery.com/files/nnds_prod_data/itemAssets/nnds_li%20-%20production%5Cjalberth%5C102.JPG </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #198280 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=198280\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "Construct circle radius OB.  Since any tangent is perpendicular to the radius at the point of tangency, OB is perpendicular to BC.  Therefore OBC is a right triangle.  Then the measure of OB can be calculated, with a nod and a tip of the hat to Mr. Pythagoras:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \overline{OB}\ =\ r_O\ =\ \sqrt{65^2\ -\ 60^2\">\r<BR>\n" );
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document.write( "But the radius of a circle is one half of the measure of the side of a circumscribed square, so the side of the circumscribed square is\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 2r_O\">\r<BR>\n" );
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document.write( "And then the area of the circumscribed square is the measure of the side squared or:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left(2r_O\right)^2\">\r<BR>\n" );
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document.write( "You can do your own arithmetic.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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