How many triangles are present in the given figure?

26 28 27 17

27

The logic followed here is; (let's keep in mind the base, means how many triangles are there in the base) 1+2= 03  (MSD)  1+2= 03  (LRB) 1+3= 03  (BED) And, the other triangles are; LRP, PSM, DSQ, QRB, PRQ, PSQ, LPB, QPB, PQM, DQM, PQD, PDM, LBQ, LPQ, BPE, DPE, BOP, BED Therefore, there are 03+03+03+18= 27 triangles in the above figure.