SOLUTION: There are 7 points in a plane, no three of them being collinear. The number of triangles formed by using these points are:

Algebra ->  Permutations -> SOLUTION: There are 7 points in a plane, no three of them being collinear. The number of triangles formed by using these points are:      Log On


   

Question 776294: There are 7 points in a plane, no three of them being collinear. The number of triangles
formed by using these points are:
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
Q:
There are 7 points in a plane, no three of them being collinear. The number of triangles formed by using these points is
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A:
This is a "combination" problem.
%28matrix%282%2C1%2C7%2C3%29%29 = 7%21%2F%283%214%21%29 = highlight%2835%29