Question

D, E, and F are respectively the mid point of the sides BC,CA and AB of a ABC show that

1 BDEF is a parallelogram
2. area ( DEF) = 1\4 area(ABC)
3. area (BDEF) = 1\2 area (ABC)


please help me 19/02/2020 is my exam ​

Answer 1

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Answer 2

this answer for question (1)BDEF is a parallelogram