Total Number of triangles:
From the Vertex A: ABC, AJF, AKE, ALD
From the Vertex B: BIJ, BHK, BGL
From the Vertex C: CGF, CHE, CID
In quad BJFC: there are 7 small triangles
In quad KEJF: there are 4 Small triangles
In quad KELD: there are three triangles

Correct Option: C

Total Number of triangles:
From the Vertex A: ABC, AJF, AKE, ALD
From the Vertex B: BIJ, BHK, BGL
From the Vertex C: CGF, CHE, CID
In quad BJFC: there are 7 small triangles
In quad KEJF: there are 4 Small triangles
In quad KELD: there are three triangles
Total triangles 24.

Number of Triangle are ABG, AJC, EFD, DIB, AIH, EIJ, BJF, CFG, DGH, JFG, IJG, HJG, IOH, IOJ, IOG, HOG.
Check the figure carefully and calculate.

Correct Option: D

Number of Triangle are ABG, AJC, EFD, DIB, AIH, EIJ, BJF, CFG, DGH, JFG, IJG, HJG, IOH, IOJ, IOG, HOG.
Total: 19

The total number of triangles present in the above figure is 20.

Correct Option: D

The total number of triangles present in the above figure is 20