The Math Forum

Search All of the Math Forum:

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

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

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: to prove: rays bisecting 3 angles of a triangle meet at a single point
Replies: 6   Last Post: Feb 10, 1999 10:10 AM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Guy F. Brandenburg

Posts: 333
Registered: 12/3/04
Re: center of gravity formula
Posted: May 19, 1998 9:41 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Imrich Miklosko wrote:

> We have an isosceles triangle with 2 sides equal to 100 cm. We have
> figured out the third side to be equal to 1.7453292. We need to know
> the formula to figure out the center of gravity of this triangle. I
> know how to draw the intersection point of the three angles, now I
> need to find out the distances of the intersection points. ___x___ ___
> \ / | r\ /r | \ / | V \ | --- Any advice would be appreciated. Thanks
> in advace.

That's a mighty skinny triangle! The center of gravity is simply the
point where the 3 medians meet. By the way, that point (the centroid) is
also 2/3 of the way from any vertex to the midpoint of the opposite
side. I hope this helps.

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

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.