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?

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.
RELATED QUESTIONS
twenty points , no 3 of which are collinear, lie in a plane. Using these points, how many (answered by richard1234)

Solve the following: a. On a piece of paper, 8 points are marked such that no 3 points (answered by math_tutor2020,ikleyn)

Decide whether the three points lie on the same line. If the points do lie on the same... (answered by Alan3354)

The three distinct points P, Q, and R lie on a line +; the four distinct points S, T, U,... (answered by palanisamy)

Which of the following do not always lie in the same plane? (1) two points (3) two... (answered by Edwin McCravy)

How do we write the equation of a vertical line? what would be an example? The points... (answered by stanbon)

find the value of x so that the points lie on a line with the given slope: (1,-3) and... (answered by robertb)

(10,-4) & (x,x),m=1/7 Find the value of x so that the points lie on a line with the... (answered by nyc_function)

If the points A(-1,1) and B(1,2) lie on a line m, what is the slope of line m? (answered by jim_thompson5910,palanisamy)