document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=773270>Question 773270</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given a circle with radius \"r\", express the length of chord \"c\" in terms of \"r and d\" when the perpendicular distance from the chord is \"d\" </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #471392 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=471392\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> radius = r<BR>\n" );
document.write( "d= distance of chord from center\r<BR>\n" );
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document.write( "length of chord = c\r<BR>\n" );
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document.write( "half the length of chord ,the radius and the distance from center form a right triangle\r<BR>\n" );
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document.write( "(c/2)^2= r^2-d^2\r<BR>\n" );
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document.write( "c^2/4 = (r^2-d^2)\r<BR>\n" );
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document.write( "c^2=4(r^2-d^2)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=+2%2Asqrt%28r%5E2-d%5E2%29 ALIGN=MIDDLE  ALT=\"c=+2%2Asqrt%28r%5E2-d%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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