In a certain circle there are 9 points.

In a certain circle there are 9 points. What is the number of the triangles connecting 4 points of the 9 points?

Quiz

Answer/Solution

126

Steps/Work

IMO : D
HERE we have to select 4 points out of 9 points. Order is not important
So the answer will be 9c4 = 126
Answer D

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In a certain circle there are points. What is the number of the triangles connecting points of the points?

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