document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=194100>Question 194100</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this problem.\r<BR>\n" );
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document.write( "A polygon has n sides. Two of its angles are right angles and each of the remaining angles is 144 degrees. Calculate n. \r<BR>\n" );
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document.write( "I have tried the equation 90(n-4) = (n-180)+ 144n but I cannot arrive at the correct answer. I would be very grateful if you could help me. <BR>\n" );
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document.write( "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 #145689 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=145689\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In this case, use exterior angles. Every polygon has a sum total of 360 degrees of exterior angle.\r<BR>\n" );
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document.write( "See this URL --> http://www.mathwarehouse.com/geometry/polygon/index.php\r<BR>\n" );
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document.write( "The 2 right angles yield 2 exteriors of 90 each. That leaves 180 more degrees of exterior to deal with.\r<BR>\n" );
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document.write( "If the internal angel is 144, then the external is 180-144 = 36<BR>\n" );
document.write( "How many 36 degree angles are required to total 180?<BR>\n" );
document.write( "5 </SPAN>\n" );
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