2. Questions Bank
  3. 5th Class
  4. Mental Ability
  5. Geometrical Shapes

5th Class Mental Ability Geometrical Shapes Question Bank Geometrical Shapes

  • question_answer
    How many triangles are there in the given figure?

    A)  19                  

    B)  21

    C)  18                  

    D)  20

    Correct Answer: B

    Solution :

    [b] The figure may be labelled as shown: The simplest triangles are: AOQ, DIJ, EPK, EKO, PLB, LBI, JCN, CNR, RFM, FMQ, IGH, HJG i.e. 12 in number. The triangles composed of two triangles such as: EOP, PBI, FQR, RJC, IGJ, EIG and FGJ. i.e. 7 in number. The largest triangles are ABC and DEF i.e. 2 in number. Thus, there are 12 + 7 + 2 = 21 triangles in the given figure.


You need to login to perform this action.
You will be redirected in 3 sec spinner