What is the minimum number of straight lines that is needed to construct the figure?

  • Option 1)

    11 

  • Option 2)

    14

  • Option 3)

     15      

  • Option 4)

    21

  • Option 5)

     13 

Answers (1)

The horizontal lines are AE and JF i.e. 2 in number.

The vertical lines are AJ, CH and EF i.e. 3 in number.

The slanting lines are AG, BF, JD, IE, AB, DE, JI and FG i.e. 8 in number.

Total number of straight lines needed to construct the figure =2+3+8=13

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