There are 7 non-collinear points. How many triangles can be drawn by joining these points?	Pick one.
A) 22  B) 38  C) 35  D) 29  E) 18
Explanation:   A triangle is formed by joining any three non-collinear points in pairs.   There are 7 non-collinear points   The number of triangles formed = \inline {\color{Black} 735_{3}} = 35   Answer: 35) 35
<result>C</result>
There are 7 non-collinear points. How many triangles can be drawn by joining these points?