document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=848321>Question 848321</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The base of a triangle is 2cm more than the height. The base is increased by 4cm while the height is the same. The new area is 56cm. Whats the original area? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #511021 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=511021\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> b = h + 2<BR>\n" );
document.write( "b-2 = h\r<BR>\n" );
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document.write( "After change,  our base is b+4\r<BR>\n" );
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document.write( "A = (1/2) * b * h\r<BR>\n" );
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document.write( "56 = (1/2)*(b+4)*(b-2)\r<BR>\n" );
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document.write( "56 = (1/2)(b^2+2b-8)\r<BR>\n" );
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document.write( "112 = b^2 +2b - 8\r<BR>\n" );
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document.write( "b^2 +2b -120 = 0\r<BR>\n" );
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document.write( "(b-10)(b+12) = 0\r<BR>\n" );
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document.write( "b = 10   [ignore b= -12]\r<BR>\n" );
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document.write( "This means h = 8\r<BR>\n" );
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document.write( "original area = 1/2 *(10)*(8) =  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2840%29 ALIGN=MIDDLE  ALT=\"highlight%2840%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > cm^2 </SPAN>\n" );
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