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?
Algebra ->
Points-lines-and-rays
-> 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?
Log On
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(75887) (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?
--------------
Every two points determine a line.
# of lines = 4C2=[4*3]/[2*1]=6
=========
Cheers,
Stan H.
(