Question 46

The number of triangles in the following diagram

Solution

Small triangles = ABF, BFG, CBG, FGJ, CDH, DHI, DEI, HIK, JOL, OLM, KOM, LMN = 12

Medium triangles = ACJ, CEK, CJK, JKN = 4

Big triangle = AEN = 1

Total number of triangles = 12 + 4 +1 = 17

=> Ans - (C)

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