document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=812807>Question 812807</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In parallelogram JOHN, measure of angle j is 3x-8 and measure of angle h is x+20, find the measure of all the angles. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489328 by </B><A HREF=/tutors/aboutme.mpl?userid=fcabanski><B>fcabanski(1391)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fcabanski><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=489328\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In parallelolells (parallelograms) opposite angles are equal, and adjacent angles are supplementary (add to 180).<P><BR>\n" );
document.write( "J and H are opposite angels, so they are equal.  3x-8 = x+20<P><BR>\n" );
document.write( "2x = 28<P><BR>\n" );
document.write( "x = 14<P><BR>\n" );
document.write( "J = 3(14)-8 = 34 = 14+20 = H<P><BR>\n" );
document.write( "O and N are equal.  O+J = 180.  <P><BR>\n" );
document.write( "O + 34 = 180<P><BR>\n" );
document.write( "O = 146 = N<P><BR>\n" );
document.write( "Just to check, the interior angles of a polygon add to 360 degrees.  34+34+146+146 = 360 </SPAN>\n" );
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