There are 7 non-collinear points. How many triangles can be drawn by joining these points?
Choose the correct answer
A) 12 B) 27 C) 35 D) 28 E) 11
A triangle is formed by joining any three non-collinear points in pairs.   There are 7 non-collinear points   The number of triangles formed = 7353   = 35   Answer: 35
<result>C</result>
There are 7 non-collinear points. How many triangles can be drawn by joining these points?