document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246538>Question 246538</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the measures of one of the exterior angles at the base of an isosceles triangle if one of the angles of the triangle is 80 degrees?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179996 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=179996\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> an isosceles triangle has two angles equal<BR>\n" );
document.write( "we don't know if there are two 80 degree angles or just one<BR>\n" );
document.write( "so we have two options\r<BR>\n" );
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document.write( "first<BR>\n" );
document.write( "80+80=160<BR>\n" );
document.write( "180-160=20<BR>\n" );
document.write( "angles 80,80,20<BR>\n" );
document.write( "180-80=100 exterior angle<BR>\n" );
document.write( "second<BR>\n" );
document.write( "180-80=100<BR>\n" );
document.write( "100/2=50<BR>\n" );
document.write( "angles 50,50,80<BR>\n" );
document.write( "180-50=130 exterior\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );