Question

How many non-overlapping triangles can we make in a n-gon (polygon having n sides), by joining the vertices?

पर्याय

• n – 1

• n – 2

• n – 3

• n – 4

Answer 1

n – 2

Explanation:

The number of non-overlapping triangles in a n-gon = n – 2, i.e. 2 less than the number of sides.