document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=501662>Question 501662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Rays PQ and QR are perpendicular. Points S lies on the interior of <PQR . If M<PQS =4+7a and M<SQR=9+4a find m<PQS and M<SQR  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #338681 by </B><A HREF=/tutors/aboutme.mpl?userid=cleomenius><B>cleomenius(959)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=cleomenius><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=cleomenius><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=338681\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If PQ and QR are perpendicular, they will add to 90 degrees.<BR>\n" );
document.write( "4 + 7a + 9 + 4a  = 90<BR>\n" );
document.write( "13 + 11a = 90<BR>\n" );
document.write( "11a = 77<BR>\n" );
document.write( "a = 7<BR>\n" );
document.write( "Angle PQS = 53<BR>\n" );
document.write( "Angle SQR = 37<BR>\n" );
document.write( "53 degrees + 37 degrees = 90 degrees.<BR>\n" );
document.write( "This does check.<BR>\n" );
document.write( "Cleomenius.<BR>\n" );
document.write( " </SPAN>\n" );
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