perplexus.info :: Probability : Triangular Cubes

Triangular Cubes (Posted on 2004-12-04)

Three points have been chosen randomly from the vertices of a cube. What is the probability that they form (a) an acute triangle; (b) a right triangle?

See The Solution Submitted by Erik O.

Rating: 3.0000 (2 votes)

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

re: Same answer, different approach

| Comment 8 of 11 |

(In reply to Same answer, different approach by nikki)

A nice walkthough, Nikki; the combinatorial arguments become fairly crystal clear after this explanation.

Posted by owl on 2004-12-06 15:01:01

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