Drexel dragonThe Math ForumDonate to the Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.

Math Forum » Discussions » Math Topics » geometry.pre-college.independent

Topic: Jerry Katzman, the area of the triangle
Replies: 1   Last Post: Jan 24, 2008 12:22 AM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Alexander Bogomolny

Posts: 406
Registered: 12/4/04
Re: Jerry Katzman, the area of the triangle
Posted: Jan 24, 2008 12:22 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

You probably mean Heron's formula

S^2 = s(s - a)(s - b)(s - c),


a, b, c are the sides,
s = (a + b + c)/2, the semipermeter,
S the area of the triangle.

See, for example,


A. Bogomolny

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2015. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.