How many triangles are there in the following figure ?

14 16 19 17

17

The number of triangles are; AJF, JBG, GDL, FCL, DIL, CHL, HLI, EHI, FJL, GJL, FJG, FLG, FJK, GJK, FKL, GKL, CDE Therefore, there are total 17 number of triangles in the above figure.