SSC CGL 21st April 2022 Shift-1 Question 66

Question 66

In a $$\triangle$$ ABC, D, E and F are the mid-points of side BC, CA and AB respectively. If BC= 25.6 cm. CA= 18.8 cm and AB = 20.4 cm, what is the perimeter (in cm) of the $$\triangle$$ DEF?

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