Question 3

How many triangles are there in the following figure ?

Solution

Total number of triangles=

AEH, AEI, AIH, EIL, HIL, EHL, AHL, AEL = 8

GLC, GLN, GNC, LFC, LFN, NFC, LGF, GFC, LMN, GMN, OFN, ONC = 12

BHJ, BJF, BHF, HLF = 4

DEK, DKG, DEG, EGL = 4

ADC, ABC = 2

EHF, GHF, FGE, GEH = 4

Total triangles are 34.

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