document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1190131>Question 1190131</A>: <I><SPAN STYLE=\"word-break: break-all;\"> calculate the angle at the centre of a circle subtended by a chord 6cm from the centre of the circle with radius 10cm<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 #821692 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=821692\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> calculate the angle at the centre of a circle subtended by a chord 6cm from the centre of the circle with radius 10cm<BR>\n" );
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document.write( "The chord and the radius form 2 right triangles.<BR>\n" );
document.write( "The hypotenuse is the radius = 10 cm<BR>\n" );
document.write( "One side is 6 cm<BR>\n" );
document.write( "cos(a) = 6/10<BR>\n" );
document.write( "a = ~ 53.13 degs<BR>\n" );
document.write( "Angle at the center of the circle is 2a = ~ 106.26 degs </SPAN>\n" );
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