Find the number of triangle in this figure?

Answer & explanation
Correct answer: option 4
Naming the edges of the figure:

We manually count the triangles as
(GLK, DLJ, DJM, HMN, QRE, IRA, IPA, FPO)
(BDO,CDQ, DLM, PRA, KFI, NEI, HJI, GJI,DKI, DNI)
(DIE, DFI, DOA, DQA, GHI)
(DCA, DBA) (DEF) (ABC)
8 + 10 + 5 + 2 + 1 + 1 = 27