Duplicate area

Logic Level 3

The rectangle shown below is made up of 10 matches.

If you want to duplicate the area of the rectangle, what is the minimum number of matches you need to add?

Details and Assumptions:

  • You can move the matches that you consider necessary.
  • You cannot break matches.
  • All matches have the same measure.
  • All matches should be part of the figure.
  • You cannot eliminate matches.

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