perplexus.info :: Shapes : Shortest distance

Shortest distance (Posted on 2003-12-10)

What is the shortest distance between two opposite points (two vertices separated by 2R) in the surface of a regular icosahedron? The regular icosahedron's edges are 1ft in length.

See The Solution Submitted by Antonio

Rating: 4.0000 (2 votes)

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

Problem Solution

Comment 16 of 16 |

The required shortest distance is 1*sqrt(7) = 2.645751 feet(appr0x.)

Posted by K Sengupta on 2007-05-04 12:32:55

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (15)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info