Solve the problem.
-Three noncollinear points determine a triangle. How many triangles can be formed with 8 points, No three of which are collinear?
A) 6720
B) 24
C) 336
D) 56

Question

Quizplus · Accepted Answer

To form a triangle, we need to choose 3 points out of the 8 available points. The number of ways to choose 3 points from 8 is given by the combination formula C(n, k) = n! / (k!(n-k)!), where n is the total number of points and k is the number of points to choose. So, C(8, 3) = 8! / (3!5!) = 56.

Solve the Problem. -Three Noncollinear Points Determine a Triangle. How Many Triangles Can