document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=549918>Question 549918</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the height of a isosceles triangle whose base is 10cm and legs are 20 cm (leave your answer in simplest radical form)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #358183 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=358183\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28150%2C300%2C-6%2C6%2C-2%2C22%2C%0D%0Atriangle%28-5%2C0%2C5%2C0%2C0%2C19.365%29%2C%0D%0Ared%28line%280%2C0%2C0%2C19.365%29%29%2C%0D%0Alocate%280.5%2C10%2C%22h%22%29%2C+locate%28-3%2C1%2C5%29%2Clocate%282%2C1%2C5%29%2C%0D%0Alocate%283%2C10%2C20%29%2Clocate%28-4%2C10%2C20%29%2C+locate%28-0.5%2C-0.5%2C10%29%2C%0D%0Aarrow%28-1%2C-1%2C-5%2C-1%29%2Carrow%281%2C-1%2C5%2C-1%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > The height is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h ALIGN=MIDDLE  ALT=\"h\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the length of the altitude through the vertex. It is a median and part of the perpendicular bisector of the base. It divides the isosceles triangle into two symmetrical, congruent right triangles.<BR>\n" );
document.write( "With all lengths in cm, Pythagoras' theorem says that<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%5E2%2B5%5E2=20%5E2 ALIGN=MIDDLE  ALT=\"h%5E2%2B5%5E2=20%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%5E2%2B25=400 ALIGN=MIDDLE  ALT=\"h%5E2%2B25=400\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%5E2=400-25=375 ALIGN=MIDDLE  ALT=\"h%5E2=400-25=375\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=sqrt%28375%29=sqrt%2825%2A15%29=sqrt%2825%29%2Asqrt%2815%29=5sqrt%2815%29 ALIGN=MIDDLE  ALT=\"h=sqrt%28375%29=sqrt%2825%2A15%29=sqrt%2825%29%2Asqrt%2815%29=5sqrt%2815%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "That's an irrational number, and its exact value cannot be expressed in decimal form.<BR>\n" );
document.write( "It's approximately 19.365, or 19.36, or 19.4 (depending on how precise you want to be). </SPAN>\n" );
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