document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=155041>Question 155041</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me find the volume, to the nearest tenth, of a pyramid that is 6 feet tall and whose base is an equilateral triangle with sides each 10 feet long? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #114140 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=114140\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The volume of a regular pyramid is found by:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V+=+%281%2F3%29Bh ALIGN=MIDDLE  ALT=\"V+=+%281%2F3%29Bh\"   DISABLED_style= \"max-width:90%; height:auto;\" > where: B = area of the base and h = the height of the pyramid.<BR>\n" );
document.write( "In this problem, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+sqrt%28S%28S-a%29%28S-b%29%28S-c%29%29 ALIGN=MIDDLE  ALT=\"B+=+sqrt%28S%28S-a%29%28S-b%29%28S-c%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > using Heron's formuls for the area of a triangle when the three sides are known. S = Semi-perimeter = 30/2 = 15,<BR>\n" );
document.write( "a = b = c = 10, so...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+sqrt%2815%28125%29%29 ALIGN=MIDDLE  ALT=\"B+=+sqrt%2815%28125%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+sqrt%281875%29 ALIGN=MIDDLE  ALT=\"B+=+sqrt%281875%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+43.3 ALIGN=MIDDLE  ALT=\"B+=+43.3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So the volume of the pyramid is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V+=+43.3%286%29%2F3 ALIGN=MIDDLE  ALT=\"V+=+43.3%286%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V+=+86.6 ALIGN=MIDDLE  ALT=\"V+=+86.6\"   DISABLED_style= \"max-width:90%; height:auto;\" >Cubic feet. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );