The different triangles in the given figure are CFG, CDG, DHE, EHJ, JLO, OLN, NKM, MKF, FCD, DEJ, JON, NMF, CIM, CIE, OIE, OIM, CMO, CEO, EMC, EMO
$$\therefore\ $$Number of triangles in the given figure = 20
Hence, the correct answer is Option A
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