document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=623107>Question 623107</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In quadrilateral ABCD, the measure of angle a is twice the measure of angle b, the measure of angle b is twice that of angle c, and the measure of angle c is twice that of angle D. Find each angle measure. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #391881 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=391881\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In any quadrilateral, the sum of the interior angles is 360 degrees, so angles<BR>\n" );
document.write( "a+b+c+d = 360 degrees.<BR>\n" );
document.write( "But a = 2b<BR>\n" );
document.write( "and b = 2c<BR>\n" );
document.write( "and c = 2d so...<BR>\n" );
document.write( "b = 4d and <BR>\n" );
document.write( "a = 8d so we have:<BR>\n" );
document.write( "8d+4d+2d+d = 360<BR>\n" );
document.write( "15d = 360 and <BR>\n" );
document.write( "d = 24 degrees<BR>\n" );
document.write( "c = 2(24) = 48 degrees and<BR>\n" );
document.write( "b = 4(24) = 96 degrees and<BR>\n" );
document.write( "a = 8(24) = 192 degrees.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );