document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=117070>Question 117070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Pls help me with this question: Each interior angle of a regular n-gon is 168. Calculate the value of n. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #85127 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=85127\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Remember, the formula to find the interior angle of any n-gon is \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Interior_Angle=180%28n-2%29%2Fn ALIGN=MIDDLE  ALT=\"Interior_Angle=180%28n-2%29%2Fn\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So set this expression equal to 168\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180%28n-2%29%2Fn=168 ALIGN=MIDDLE  ALT=\"180%28n-2%29%2Fn=168\"   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=180%28n-2%29=168n ALIGN=MIDDLE  ALT=\"180%28n-2%29=168n\"   DISABLED_style= \"max-width:90%; height:auto;\" >Multiply both sides by n\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180n-360=168n ALIGN=MIDDLE  ALT=\"180n-360=168n\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180n=168n%2B360 ALIGN=MIDDLE  ALT=\"180n=168n%2B360\"   DISABLED_style= \"max-width:90%; height:auto;\" >Add 360 to both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180n-168n=%2B360 ALIGN=MIDDLE  ALT=\"180n-168n=%2B360\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 168n from both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12n=360 ALIGN=MIDDLE  ALT=\"12n=360\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like terms on the left side\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n=%28360%29%2F%2812%29 ALIGN=MIDDLE  ALT=\"n=%28360%29%2F%2812%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 12 to isolate n\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n=30 ALIGN=MIDDLE  ALT=\"n=30\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "So our answer is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n=30 ALIGN=MIDDLE  ALT=\"n=30\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "So this means the polygon with an interior angle of 168 degrees has 30 sides </SPAN>\n" );
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