document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=289565>Question 289565</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of the base of a triangle is twice its height.  If the area is 100 square kilometers, find the height. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #209690 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=209690\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "Since we know the Area of a triangle is equal to 1/2(Base times height) we can plug in the values known and let \"x\" represent the height:<BR>\n" );
document.write( "100=1/2(x)(2x) Rewritten as:<BR>\n" );
document.write( "100=x^2<BR>\n" );
document.write( "Square root each side to get:<BR>\n" );
document.write( "x=10<BR>\n" );
document.write( "So height is 10 km<BR>\n" );
document.write( "Width is 20 km<BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "There's a book I wrote that might help;<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );