document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=422468>Question 422468</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me with this, thank you.<BR>\n" );
document.write( "The measures of angles A and B of parellogram ABCD in the ratio of 2:7 find the measure of angle A. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294897 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=294897\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For a parallelogram, we know that the sum of angles A and B must be equal to 180 degrees.<BR>\n" );
document.write( "So we have A + B = 180 (1)<BR>\n" );
document.write( "And the ratio of angle A to angle B is 2/7 -> A/B = 2/7, or B = (7/2)*A<BR>\n" );
document.write( "Eliminating B in (1) gives A + (7/2)*A = 180 -> A = (2/9)*180 = 40 degrees. </SPAN>\n" );
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