document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=924549>Question 924549</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you find an exterior angle when all you know is ABC + BCA + CAB = 180 5x + 8 + 6x + 22 + 3x - 25 = 180 14x =175 x = 12.5 M<BAC = 5X+8 = 70.5 M<ABC=6X+22 = 97 M<BCA=3X-25 = 12.5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #561009 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20855)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=561009\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you know is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ABC+%2B+BCA+%2B+CAB+=+180 ALIGN=MIDDLE  ALT=\"ABC+%2B+BCA+%2B+CAB+=+180\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "you also know it's a triangle\r<BR>\n" );
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document.write( "you know <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x+%2B+8+%2B+6x+%2B+22+%2B+3x+-+25+=+180 ALIGN=MIDDLE  ALT=\"5x+%2B+8+%2B+6x+%2B+22+%2B+3x+-+25+=+180\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=14x+=175 ALIGN=MIDDLE  ALT=\"14x+=175\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+12.5 ALIGN=MIDDLE  ALT=\"x+=+12.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "measure of each angle is:\r<BR>\n" );
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document.write( " M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BAC+=+5X%2B8+=+70.5 ALIGN=MIDDLE  ALT=\"BAC+=+5X%2B8+=+70.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ABC=6X%2B22+=+97 ALIGN=MIDDLE  ALT=\"ABC=6X%2B22+=+97\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BCA=3X-25+=+12.5 ALIGN=MIDDLE  ALT=\"BCA=3X-25+=+12.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "you also know that an measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles \r<BR>\n" );
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document.write( "let's exterior angles be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A ALIGN=MIDDLE  ALT=\"A\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B ALIGN=MIDDLE  ALT=\"B\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C ALIGN=MIDDLE  ALT=\"C\"   DISABLED_style= \"max-width:90%; height:auto;\" > (the letter of each vertex)\r<BR>\n" );
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document.write( "then \r<BR>\n" );
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document.write( "M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A ALIGN=MIDDLE  ALT=\"A\"   DISABLED_style= \"max-width:90%; height:auto;\" >=M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ABC%2BBCA ALIGN=MIDDLE  ALT=\"ABC%2BBCA\"   DISABLED_style= \"max-width:90%; height:auto;\" >=>M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=97%2B12.5 ALIGN=MIDDLE  ALT=\"97%2B12.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >=>M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=109.5 ALIGN=MIDDLE  ALT=\"109.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B ALIGN=MIDDLE  ALT=\"B\"   DISABLED_style= \"max-width:90%; height:auto;\" >=M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BAC%2BBCA ALIGN=MIDDLE  ALT=\"BAC%2BBCA\"   DISABLED_style= \"max-width:90%; height:auto;\" >=>M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70.5%2B12.5 ALIGN=MIDDLE  ALT=\"70.5%2B12.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >=>M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=83 ALIGN=MIDDLE  ALT=\"83\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C ALIGN=MIDDLE  ALT=\"C\"   DISABLED_style= \"max-width:90%; height:auto;\" >=M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BAC%2BABC ALIGN=MIDDLE  ALT=\"BAC%2BABC\"   DISABLED_style= \"max-width:90%; height:auto;\" >=>M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70.5%2B97 ALIGN=MIDDLE  ALT=\"70.5%2B97\"   DISABLED_style= \"max-width:90%; height:auto;\" >=>M< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=167.5 ALIGN=MIDDLE  ALT=\"167.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "or, solve it using the sum of an exterior angle and its corresponding interior angle which is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180 ALIGN=MIDDLE  ALT=\"180\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " exterior angle <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A ALIGN=MIDDLE  ALT=\"A\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BAC ALIGN=MIDDLE  ALT=\"BAC\"   DISABLED_style= \"max-width:90%; height:auto;\" > sum up to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180 ALIGN=MIDDLE  ALT=\"180\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so, \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=180-BAC=180-70.5=109.5 ALIGN=MIDDLE  ALT=\"A=180-BAC=180-70.5=109.5\"   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=B=180-ABC=180-97=83 ALIGN=MIDDLE  ALT=\"B=180-ABC=180-97=83\"   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=C=180-BCA=180-12.5=167.5 ALIGN=MIDDLE  ALT=\"C=180-BCA=180-12.5=167.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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