SOLUTION: 4 points lie on a plane so that no 3 of them lie on a line. if lines are drawn connecting all pairs of these points, how many such lines are there?

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Question 79525: 4 points lie on a plane so that no 3 of them lie on a line. if lines are drawn connecting all pairs of these points, how many such lines are there?
Answer by stanbon(48568) About Me  (Show Source):
You can put this solution on YOUR website!
4 points lie on a plane so that no 3 of them lie on a line. if lines are drawn connecting all pairs of these points, how many such lines are there?
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Every two points determine a line.
# of lines = 4C2=[4*3]/[2*1]=6
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Cheers,
Stan H.