All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Shapes > Geometry
Sum Reciprocal Lengths (Posted on 2007-11-17) Difficulty: 2 of 5
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.

  Submitted by K Sengupta    
Rating: 2.5000 (2 votes)
Solution: (Hide)
1/X + 1/Y = 1/2

EXPLANATION:

Refer to the solution submitted by Brian Smith in this location.

A slightly different solution is given by Bractals in this location.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: Solution KISSAdy TZIDON2007-11-21 04:20:29
SolutionSolutionBractals2007-11-18 02:23:37
re: SolutionDej Mar2007-11-18 01:21:23
re: SolutionSteve Herman2007-11-17 21:26:58
SolutionBrian Smith2007-11-17 20:58:44
SolutionSolutionDej Mar2007-11-17 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:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information