document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1364>Question 1364</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Supose the diameter of a circle is 50 feet long and has a chord of 48 feet long. What is the distance from the center of the circle to the chord. </SPAN>\n" );
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document.write( " As the diagram below,chord AB = 48 ft,center O, <BR>\n" );
document.write( " OA (radius) = 50/2 = 25,M is the mid point of AB. So, AM = 24.<BR>\n" );
document.write( " <BR>\n" );
document.write( "   A    M     B<BR>\n" );
document.write( "     ---------<BR>\n" );
document.write( "         |<BR>\n" );
document.write( "         |<BR>\n" );
document.write( "         O\r<BR>\n" );
document.write( "\n" );
document.write( " Since AM is perpendicular to AB, we have AO^2 = AM^2 + OM^2,<BR>\n" );
document.write( " so OM^2 = AO^2 - AM^2 = 25^2 - 24^2 = 625 - 576 =49\r<BR>\n" );
document.write( "\n" );
document.write( " Hence,the distance from the center of the circle to the chord is 7 ft <BR>\n" );
document.write( " ...Anwer </SPAN>\n" );
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