document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1161248>Question 1161248</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this question how to find the angel at the center of a sector when the perimeter is 53 centimeters and the radius is 21 centimeters thank you  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #784752 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=784752\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "If you want to find an \"angel\", either at the center of a sector or anywhere else, I suggest you consult your local priest, pastor, holy man, tribal shaman, or whatever floats your particular boat.\r<BR>\n" );
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document.write( "If you want the central <b>angle</b> of a sector of a circle with radius 21 cm where the perimeter of the sector, i.e. 2 times the circle radius plus the measure of the subtended arc is 53 cm, then:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 2r\ +\ arc\ =\ 53\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ arc\ =\ 53\ -\ 42\ =\ 11\">\r<BR>\n" );
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document.write( "So the arc length is 11 cm.\r<BR>\n" );
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document.write( "The circumference of the entire circle is <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large 2\pi{r}\"> and the radian measure of the entire circle is <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large 2\pi\">.  The angle measure of the central angle of the sector (\"CA\") is in proportion to the radian measure of the entire circle as the arc length is to the circumference:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \frac{CA}{2\pi}\ =\ \frac{11}{42\pi}\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ CA\ =\ \frac{11}{21}\ \"> radians.\r<BR>\n" );
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document.write( "for an approximate value in degrees multiply by 180 and divide by a convenient approximation of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \pi\"><BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
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