document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=204538>Question 204538</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780132356794/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> In a triangle, the first angle measures 3 times the second and the third measures 20 degress less than the second.  find each angle's measure. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #154394 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=154394\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Tahoma\" size=1.5><BR>\n" );
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document.write( "We know the angles in a triangles add to 180 deg.\r<BR>\n" );
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document.write( "Let the Angles be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28A=1st%2CB=2nd%2CC=3rd%29 ALIGN=MIDDLE  ALT=\"system%28A=1st%2CB=2nd%2CC=3rd%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "It follows ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2BB%2BC=180%5Eo ALIGN=MIDDLE  ALT=\"A%2BB%2BC=180%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" >, working eqn.\r<BR>\n" );
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document.write( "First condition: <BR>\n" );
document.write( "The first angle measures 3 times the second: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=3B ALIGN=MIDDLE  ALT=\"A=3B\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Second condition:<BR>\n" );
document.write( "The third measures 20 degrees less than the second: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C=B-20%5Eo ALIGN=MIDDLE  ALT=\"C=B-20%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Substituting to the working eqn,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%283B%29%2BB%2Bhighlight%28B-20%5Eo%29=180%5Eo ALIGN=MIDDLE  ALT=\"highlight%283B%29%2BB%2Bhighlight%28B-20%5Eo%29=180%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5B=180%2B20=200%5Eo ALIGN=MIDDLE  ALT=\"5B=180%2B20=200%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%285%29B%2Fcross%285%29=cross%28200%2940%2Fcross%285%29 ALIGN=MIDDLE  ALT=\"cross%285%29B%2Fcross%285%29=cross%28200%2940%2Fcross%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=red%28B=40%5Eo%29 ALIGN=MIDDLE  ALT=\"red%28B=40%5Eo%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, substitute in 1st condtn\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=3%2A40%5Eo ALIGN=MIDDLE  ALT=\"A=3%2A40%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=red%28A=120%5Eo%29 ALIGN=MIDDLE  ALT=\"red%28A=120%5Eo%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Also in 2nd contn.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C=40-20 ALIGN=MIDDLE  ALT=\"C=40-20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=red%28C=20%5Eo%29 ALIGN=MIDDLE  ALT=\"red%28C=20%5Eo%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Check,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2BB%2BC=180%5Eo ALIGN=MIDDLE  ALT=\"A%2BB%2BC=180%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120%2B40%2B20=180 ALIGN=MIDDLE  ALT=\"120%2B40%2B20=180\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180%5Eo=180%5Eo ALIGN=MIDDLE  ALT=\"180%5Eo=180%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Jojo</font><BR>\n" );
document.write( " </SPAN>\n" );
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