document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=657301>Question 657301</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One side of an equilateral triangle is 6cm. What is the measure of an altitude of the triangle?<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 #409806 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=409806\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One side of an equilateral triangle is 6cm. What is the measure of an altitude of the triangle?<BR>\n" );
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document.write( "Draw the triangle.<BR>\n" );
document.write( "Draw an altitude from the base to the top vertex.<BR>\n" );
document.write( "You have 2 right triangles.<BR>\n" );
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document.write( "base = 3<BR>\n" );
document.write( "hypotenuse = 6<BR>\n" );
document.write( "altitude = \"h\"<BR>\n" );
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document.write( "Use Pythagoras<BR>\n" );
document.write( "3^2 + h^2 = 6^2<BR>\n" );
document.write( "9 + h^2 = 36<BR>\n" );
document.write( "h^2 = 27<BR>\n" );
document.write( "h = sqrt(27) = sqrt(9*3) = 3sqrt(3)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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