document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=91851>Question 91851</A>: <I><SPAN STYLE=\"word-break: break-all;\"> #1 Question from the book:<BR>\n" );
document.write( "A polygon has n sides. Four of its exterior angles are 12, 25, 32 and 41 and the remaining (n - 4) exterior angles are each equal to 50. Find n.\r<BR>\n" );
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document.write( "#2 Question on pentagon:<BR>\n" );
document.write( "If the angles of a pentagon are x, 1.5x, 2.5x, 3x and (2x - 20), find the value of x.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #66732 by </B><A HREF=/tutors/aboutme.mpl?userid=mathispowerful><B>mathispowerful(115)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathispowerful><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=66732\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> #1)The sum of exterior angles of a polygon can be represented by 180n + 360<BR>\n" );
document.write( "where n is the number of sides in polygon.\r<BR>\n" );
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document.write( "in your case we need to add all angles together and let it equal to 180n+360,\r<BR>\n" );
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document.write( "so 12+25+32+41+50(n-4)= 180n + 360\r<BR>\n" );
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document.write( "110 + 50n - 200 = 180n + 360\r<BR>\n" );
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document.write( "simplify it: 130n = -450\r<BR>\n" );
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document.write( "n will be a negative number.\r<BR>\n" );
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document.write( "conclusion, this polygon doesn't exist! (double check your numbers in the question.\r<BR>\n" );
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document.write( "ACTUALLY, IT IS IMPOSSIBLE TO HAVE ALL EXTERIOR ANGLES SMALLER THAN 180 DEGREES\r<BR>\n" );
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document.write( "THIS IS A BAD OR ILL QUESTION.\r<BR>\n" );
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document.write( "Now let's try #2\r<BR>\n" );
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document.write( "The sum of interior angles of a pentagon is 540\r<BR>\n" );
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document.write( "x + 1.5x + 2.5x +3x + (2x - 20)= 540\r<BR>\n" );
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document.write( "simplify it: 10x - 20 = 540\r<BR>\n" );
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document.write( "10x = 560\r<BR>\n" );
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document.write( "x = 56 </SPAN>\n" );
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