How many triangles are present in the below figure?
18
The triangles in the figure are:
1. ΔABH
2. ΔACG
3. ΔADF
4. ΔBEH
5. ΔBCE
6. ΔGHI
7. ΔEGH
8. ΔBCG
9. ΔCEJ
10. ΔEIJ
11. ΔEGI
12. ΔEGJ
13. ΔCEI
14. ΔCEG
15. ΔEFH
16. ΔBDE
17. ΔCDE
18. ΔEFG
∴ There are 18 triangles in the figure
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