document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=970654>Question 970654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the height of a trapezoid is 9 inches, the length of one of its bases is 8 inches, and its area is 63 square inches, what is the measure of the other base? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #593253 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=593253\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A= (1/2)h (b1+b2)<BR>\n" );
document.write( "Substitute<BR>\n" );
document.write( "63 in^2= (1/2)*9in (8+b2)in   the units are in^2 on both sides.\r<BR>\n" );
document.write( "\n" );
document.write( "Multiply by 2<BR>\n" );
document.write( "126=9 *(8+b2)\r<BR>\n" );
document.write( "\n" );
document.write( "divide both sides by 9\r<BR>\n" );
document.write( "\n" );
document.write( "14=8 + b2<BR>\n" );
document.write( "subtract 8 from both sides\r<BR>\n" );
document.write( "\n" );
document.write( "6=b2\r<BR>\n" );
document.write( "\n" );
document.write( "The other base is 6 inches.<BR>\n" );
document.write( "The average of the two bases, 6 and 8, is 7<BR>\n" );
document.write( "Their sum is 14<BR>\n" );
document.write( "14*9=126; half of that is the area, or 63.  Check </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );