document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=959940>Question 959940</A>: <I><SPAN STYLE=\"word-break: break-all;\">  equilateral triangle is increasing at a rate of &#8730;3 cm/min. find the rate at which its area increasing when its edge is 12 cm long. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #586678 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=586678\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  equilateral triangle is increasing at a rate of sqrt(3) cm/min. find the rate at which its area increasing when its edge is 12 cm long.<BR>\n" );
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document.write( "Area = b*h/2<BR>\n" );
document.write( "h = b*sqrt(3)/2<BR>\n" );
document.write( "Area = b^2*sqrt(3)/2<BR>\n" );
document.write( "dA/dt = b*sqrt(3)*db/dt<BR>\n" );
document.write( "= 12*sqrt(3)*sqrt(3) = 36 sq cm/minute<BR>\n" );
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