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: two-column proof
Replies: 4   Last Post: Nov 11, 1998 3:13 PM

Advanced Search

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

Posts: 7
Registered: 12/6/04
Re: two-column proof
Posted: Nov 11, 1998 1:05 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

In article <3648DB75.6BF6@world.std.com>, pash@world.std.com says...
> Just step back and think about that. If two triangles are congruent,
> that means they have the same shape. In fact, you must have proved a
> theorem which says that if two triangles are congruent (or even
> similar), then their corresponding angles are equal. And isn't that what
> you are trying to prove?
>


I think I get what you are saying. The next step would be to prove
that the triangles are congruent. From their you can establish that
Angle PTR corresponds to Angle QTR. If this is correct then I'm at a
lost to find a suitable theorem or postulate for this.





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.