SAT Math Multiple Choice Practice Question 300: Answer and Explanation
14. Four points lie on a circle. How many different triangles can be drawn with three of these points as vertices?
Correct Answer: A
A You can draw a diagram and see that there are only four possible triangles:
If you prefer to look at it as a "combination" problem, the number of triangles is the number of ways of choosing three things from a set of four, or .