document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1106474>Question 1106474</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A piece of wire in the form of an arc of a circle of radius 28cm subtends an angle of 45 degrees at the centre of the circle. It is bent into the form of a complete circle. Find the radius of this circle. Find the arc length first.  </SPAN>\n" );
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document.write( "piece of wire in the form of an arc of a circle of radius 28cm subtends an angle of 45 degrees at the centre of the circle. <BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Api%2A28%2A%281%2F8%29 ALIGN=MIDDLE  ALT=\"2%2Api%2A28%2A%281%2F8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A%282%2A2%2A2%2A7%29%2F%282%2A2%2A2%29 ALIGN=MIDDLE  ALT=\"pi%2A%282%2A2%2A2%2A7%29%2F%282%2A2%2A2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%287pi%29 ALIGN=MIDDLE  ALT=\"highlight_green%287pi%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----the length of this piece of wire\r<BR>\n" );
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document.write( " bent into the form of a complete circle. Find the radius of this circle.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2pi%2Ar=7pi ALIGN=MIDDLE  ALT=\"2pi%2Ar=7pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2r=7 ALIGN=MIDDLE  ALT=\"2r=7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=7%2F2 ALIGN=MIDDLE  ALT=\"r=7%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28r=3%261%2F2%29 ALIGN=MIDDLE  ALT=\"highlight%28r=3%261%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------------radius of the piece when formed into a circle. </SPAN>\n" );
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