document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1177019>Question 1177019</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Topic: Similarities (I don't know if proofs is the right section)<BR>\n" );
document.write( "A square with 4cm sides is drawn so that its right edge is tangent to a circle..\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #805229 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13203)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=805229\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Call the center of the circle O.<br><BR>\n" );
document.write( "Let A be the top left corner of the square; let B be the point where the circle is tangent to the right side of the square.<br><BR>\n" );
document.write( "Draw diameter containing OB, intersecting the square at point C, which is the midpoint of that side of the square.<br><BR>\n" );
document.write( "Triangle ACO is a right triangle; leg AC is 2 and the hypotenuse is the radius r of the circle, which is what we are to find.<br><BR>\n" );
document.write( "The length of the other leg CO can be determined in terms of the radius r, knowing that BC is 4 and BO is the radius r.<br><BR>\n" );
document.write( "Use the Pythagorean Theorem to solve to find the radius.<br><BR>\n" );
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