How many triangles are there in the given figure?

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ISRO SAC Technician B Fitter 21 Oct 2018 Official Paper
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  1. 8
  2. 12
  3. 16
  4. 20

Answer (Detailed Solution Below)

Option 3 : 16
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Detailed Solution

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Concept:

Number of triangles = (Number of diagonals) × (Number of blocks)

Calculation:

Given:

Here, the number of diagonals = 2

Number of blocks = 8

∴ Number of triangle = 2 × 8 = 16

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