document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1087174>Question 1087174</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chord 30cm long is 20cm from the centre of a circle. Calculate the length of a chord which is 24cm from the centre </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #701479 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=701479\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Put center of the circle at the origin and make the chord 30 cm parallel to the x axis, and above the x-axis.  Endpoints of this chord are (-15, 20) and (15, 20).\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2=15%5E2%2B20%5E2 ALIGN=MIDDLE  ALT=\"r%5E2=15%5E2%2B20%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2=225%2B400 ALIGN=MIDDLE  ALT=\"r%5E2=225%2B400\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2=625 ALIGN=MIDDLE  ALT=\"r%5E2=625\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2By%5E2=625 ALIGN=MIDDLE  ALT=\"x%5E2%2By%5E2=625\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Calculate the length of a chord which is 24cm from the centre.<BR>\n" );
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document.write( "Endpoints of this chord,  can be (x, 24) and (-x, 24).<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2=625-y%5E2 ALIGN=MIDDLE  ALT=\"x%5E2=625-y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=sqrt%28625-24%5E2%29 ALIGN=MIDDLE  ALT=\"x=sqrt%28625-24%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=sqrt%2849%29=7 ALIGN=MIDDLE  ALT=\"x=sqrt%2849%29=7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Length of chord,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2A7=highlight%2814%29 ALIGN=MIDDLE  ALT=\"2%2A7=highlight%2814%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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