document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=957842>Question 957842</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Convert 52° to radians,leaving your answer in term of pai(22/7).use your answer to find the area of sector of a circle of radius 16cm and angle 52°,giving your answer correct to two significant figures. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #585348 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=585348\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Convert 52° to radians,leaving your answer in term of pai(22/7)<BR>\n" );
document.write( "In terms of pi, not 22/7:<BR>\n" );
document.write( "52 degs = 52*pi/180 = 13pi/45 radians.<BR>\n" );
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document.write( "use your answer to find the area of sector of a circle of radius 16cm and angle 52°,giving your answer correct to two significant figures.<BR>\n" );
document.write( "Area = pi*r^2*(52/360)<BR>\n" );
document.write( "=~ 116.17 sq cm<BR>\n" );
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document.write( "Using radians:<BR>\n" );
document.write( "Area = pi*r^2*(13pi/45)/2pi<BR>\n" );
document.write( "= r^2*angle/2<BR>\n" );
document.write( "= 128*(13pi/45)<BR>\n" );
document.write( "= same answer.<BR>\n" );
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document.write( "If you have the angle in radians, eg, 3 radians,<BR>\n" );
document.write( "Area = r^2*3/2, slightly simpler than in degrees.<BR>\n" );
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