document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=142121>Question 142121</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I would like to know the formula to find the radius of a circle, when I only have a portion of a circle. chord and arch. I can't remember the formula.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #103504 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=103504\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I would like to know the formula to find the radius of a circle, when I only have a portion of a circle. chord and arch. I can't remember the formula. <BR>\n" );
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document.write( "Draw the perpendicular bisector of the chord.  It must pass thru the center.<BR>\n" );
document.write( "Draw a second chord. Draw the perpendicular bisector of that chord.<BR>\n" );
document.write( "The center is at the point of intersection of the two perpendicular bisectors.<BR>\n" );
document.write( "At this point you will need additional information to find the lenght of the<BR>\n" );
document.write( "radius.<BR>\n" );
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document.write( "I don't believe there is a general formula.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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