document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=148134>Question 148134</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What are the angle sizes in a trapezoid whose sides have lengths of 6, 20, 6,  and 26? THANKS SO MUCH!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #108565 by </B><A HREF=/tutors/aboutme.mpl?userid=orca><B>orca(409)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=orca><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=108565\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Label the trapezoid as ABCD, with AB parallel to CD, AD = BC = 6.\r<BR>\n" );
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document.write( "Note that trapezoid is an isosceles trapezoid as AD = BC. So<BR>\n" );
document.write( "< A = < B<BR>\n" );
document.write( "< C = < D\r<BR>\n" );
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document.write( "From A draw line AE perpendicular to CD.<BR>\n" );
document.write( "From B draw line BF perpendicular to CD.<BR>\n" );
document.write( "EF = CD - AB = 6<BR>\n" );
document.write( "DE = CF = 6/2 = 3\r<BR>\n" );
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document.write( "In right triangle AED, with < AED = 90 degrees, as the hypotenuse AD is twice the leg DE, so < DAE = 30 degrees.<BR>\n" );
document.write( "< D = 90 - 30 = 60 degrees<BR>\n" );
document.write( "< A = < DAE + 90 degrees = 30 degrees + 90 degrees = 120 degrees<BR>\n" );
document.write( "< B = < A = 120 degrees<BR>\n" );
document.write( "< C = < D = 60 degrees\r<BR>\n" );
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document.write( " </SPAN>\n" );
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