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: Height of a Triangle
Replies: 12   Last Post: Feb 23, 2004 11:25 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
G.E. Ivey

Posts: 3,857
Registered: 12/3/04
Re: Answer to height of the triangle
Posted: Jul 26, 2003 10:31 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Nithya wrote:

>Here is how you can find the height of the triangle without computing
>the angles when all the sides are known.


>height = 2*sqrt(s(s-a)*(s-b)*(s-c))/a

>where
>a = base of the triangle.
>s = (a+b+c)/2


Yes, Q= sqrt(s(s-a)(s-b)(s-c)) is Heron's formula for the area of
a triangle.

Since A= (1/2)ah, h= 2A/a= 2*sqrt(s(s-a)*(s-b)*(s-c))/a





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

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.