Any 2 points determine a line. if there are 6 points in a plane, no 3 of which lie on the same line, how many lines are determined by pairs of these 6 points

determine-a-line

#1

Any 2 points determine a line. if there are 6 points in a plane, no 3 of which lie on the same line, how many lines are determined by pairs of these 6 points?

Answer:

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