perplexus.info :: Geometry : Parallel Bisections

Parallel Bisections (Posted on 2006-11-27)

In triangle ABC, the perpendiculars from A to the internal bisectors of angles B and C meet those bisectors at X and Y. Prove that XY is parallel to BC.

See The Solution Submitted by Bractals

Rating: 1.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: Solution

| Comment 2 of 3 |

(In reply to Solution by Eric)

How do we know triangles ADB and AEC are isosceles?

Posted by Charlie on 2006-11-27 13:24:37

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info