In a certain circle there are 9 points. What is the number of the triangles connecting 3 points of the 9 points?	Choose the correct choice
A) 12	B) 84	C) 108	D) 120	E) 132
IMO : B   HERE we have to select 3 points out of 9 points. Order is not important   So the answer will be 9c3 = 84   answer 84
<result>B</result>
In a certain circle there are 9 points. What is the number of the triangles connecting 3 points of the 9 points?