document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273195>Question 273195</A>: <I><SPAN STYLE=\"word-break: break-all;\"> base of a triangle is 7 feet more than 1/2 height, find height if area of triangle is 170 square feet </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199604 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=199604\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> B=H/2+7<BR>\n" );
document.write( "A=BH/2<BR>\n" );
document.write( "170=(H/2+7)*H/2<BR>\n" );
document.write( "170=H^2/4+7H/2<BR>\n" );
document.write( "170=(H^2+2*7H)/4<BR>\n" );
document.write( "H^2+14H=4*170<BR>\n" );
document.write( "H^2=14H=680<BR>\n" );
document.write( "H^2+14H-580=0<BR>\n" );
document.write( "H-20)(H+34)=0<BR>\n" );
document.write( "H-20=0<BR>\n" );
document.write( "H=20 FT.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "170=(20/2+7)*20/2<BR>\n" );
document.write( "170=(10*7)*10<BR>\n" );
document.write( "170=17*10<BR>\n" );
document.write( "170=170<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );