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Q:

Find the number of triangles in the below figure?

  • 1
    15
  • 2
    13
  • 3
    10
  • 4
    18
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Answer : 4. "18"
Explanation :

Total number of triangles = 14 + 2(combination of triangles [(10,9),(1,3),(2,4),(11,12)]) = 18

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