perplexus.info :: Geometry : Sum Reciprocal Lengths

Sum Reciprocal Lengths (Posted on 2007-11-17)

Each of the sides PQ, QR, RS, ST, TU, UV and VP of a regular heptagon PQRSTUV have length 2. The respective lengths of two of the diagonals PR and PS of the heptagon are denoted by X and Y.

Determine 1/X + 1/Y.

See The Solution Submitted by K Sengupta

Rating: 2.5000 (2 votes)

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

Subject	Author	Date
re: Solution KISS	Ady TZIDON	2007-11-21 04:20:29
Solution	Bractals	2007-11-18 02:23:37
re: Solution	Dej Mar	2007-11-18 01:21:23
re: Solution	Steve Herman	2007-11-17 21:26:58
Solution	Brian Smith	2007-11-17 20:58:44
Solution	Dej Mar	2007-11-17 19:44:41

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