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Question is

In the following figure, D, E and F are the mid-point of sides BC, CA and AB of a ∆ABC. If AB = 3 cm, BC = 4 cm and CA = 4 cm, then the perimeter of ∆DEF is
  • 11 cm 
  • 8 cm
  • 7 cm
  • 5.5 cm

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