Question

if D, E, and F are respectively the mid-points of the
sides BC, CA and AB of an equiltateral triangle ABC,
Prove that ∆DEF is also an equilateral triangle.




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Answer 1

Answer:

Let's take the length of Ab= BC=CA=10 cm

Step-by-step explanation:

so D,E and F will be located at 5cm each. After joining the mid points, we will find that DE=EF=DF=5cm..... making ∆DEF an equilateral triangle.