Answer:
The correct option is B). 4
Explanation:
Regular hexagon has 6 sides and 6 corner and triangle has 3 sides and 3 corner.
To find number of triangle after drawing diagonal from one vertex of hexagon:
As shown in figure we get,
4 different triangles from same hexagon
Therefore, When you draw all of the diagonal from one vertex of a regular hexagon, you get 4 triangles.