SSC CHSL 21st October 2020 Shift-2

Question 27

How many triangles are there in the following figure?

Solution

The different triangles in the given figure are ABC, ACD, ADE, AEF, AFG, AGH, AHI, ABD, ACE, ADF, AEG, AFH, AGI, ABE, ACF, ADG, AEH, AFI, ABF, ACG, ADH, AEI, ABG, ACH, ADI, ABH, ACI, ABI

$$\therefore\ $$The number of triangles in the given figure = 28

Hence, the correct answer is Option D

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