Homework Help: math

Posted by Carlee on Tuesday, January 11, 2011 at 2:35pm.

Compute the maximum number of intersections of 17 straight lines.

math - Ms. Sue, Tuesday, January 11, 2011 at 2:37pm
Please do not switch names -- as you've done for the last ten posts.
math - tchrwill, Tuesday, January 11, 2011 at 7:03pm
Lines....Intersections
..1...........0
..2...........1
..3...........3
..4...........6
..5..........10

or N = n(n - 1)/2
math - Ben, Sunday, February 26, 2012 at 7:40pm
Hi

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