How many triangles are there in the given figure?

Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 22.

22 triangles: ADE, AEF, ADF, AGH, AHI, AGI, AKM, AMO, AKO, ABD, ADC, ABC, BJC, BDJ, DJC, LNJ, LMJ, JNM, KLB, NOC, AJB, AJC.
Hence, the correct answer is 22.