The given figure shows ΔABC. Points D, E and F are the mid-points of sides AB, AC and BC respectively. Sides AB, BC and CA measure 6 cm, 10 cm and 8 cm respectively.

What is the area of tri DEF

As we know that if lines are drawn through D, E, F respectively to the sides DE, FD and EF which forms ΔDEF.

Now, perimeter of  ΔDEF , s = (5+3+4)/2= 12/2=6 cm.

∴ Area of  ΔDEF =

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