Math Forum http://mathforum.org/kb List of forum topics en Re: Jerry Katzman, the area of the triangle http://mathforum.org/kb/thread.jspa?messageID=6070841&tstart=0#6070841
S^2 = s(s - a)(s - b)(s - c),

where

a, b, c are the sides,
s = (a + b + c)/2, the]]> Jan 24, 2008 12:22:27 AM Jan 24, 2008 12:22:27 AM alexb@cut-the-knot.com 0 Jerry Katzman, the area of the triangle http://mathforum.org/kb/thread.jspa?messageID=6070208&tstart=0#6070208 My name is Jerry Katzman and I don't recall the formula used to calculate the area of a triangle for which you know all it's sides. Can]]> Jan 23, 2008 3:18:05 PM Jan 23, 2008 3:18:05 PM jerry-katzman 1