perplexus.info :: Geometry : Equality in pentagon

Equality in pentagon (Posted on 2015-05-03)

Imagine regular pentagon ABCDE inscribed in a circle.
If point F is on arc BC, denote:
FA=a; FB=b; FC=c; FD=d; FE=e

Prove that a + d = b + c + e
.

No Solution Yet Submitted by Ady TZIDON

Rating: 3.0000 (1 votes)

Comments: ( You must be logged in to post comments.)

	Subject	Author	Date
	Solution	Bractals	2015-05-03 10:49:10

Please log in:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info