SOLUTION: How many triangles are determined by 20 points in a plane, no three of which are collinear?

SOLUTION: How many triangles are determined by 20 points in a plane, no three of which are collinear?

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Question 298290: How many triangles are determined by 20 points in a plane, no three of which are collinear?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!

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