document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=185442>Question 185442</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a polygon has n sides.two of its angles are right-angles.each of the remaining angles is equal to equal to 150 degrees.calculate n. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #148418 by </B><A HREF=/tutors/aboutme.mpl?userid=J2R2R><B>J2R2R(94)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=J2R2R><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=J2R2R><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=148418\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For a polygon of n sides, the sum of all angles is 180n – 360 degrees\r<BR>\n" );
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document.write( "We are given that two sides are 90 degrees and the remainder are 150 degrees\r<BR>\n" );
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document.write( "Therefore 180n – 360 = 150(n – 2) + 90 x 2 = 150n – 300 + 180\r<BR>\n" );
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document.write( "180n = 150n + 360 + 180 – 300\r<BR>\n" );
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document.write( "30n = 240\r<BR>\n" );
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document.write( "n = 8\r<BR>\n" );
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document.write( "Therefore it is an octagon with six angles 150 degrees and two right angles. </SPAN>\n" );
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