What are the coordinates for D,E and F? How do u know?
Triangle Mid segment Theorem

Answer:
Hope this helps!!
Step-by-step explanation:
F:(-1,-4)
E:(-2,0)
D:(-2,-5)
The Midsegment Theorem states that the midsegment connecting the midpoints of two sides of a triangle is parallel to the third side of the triangle, and the length of this midsegment is half the length of the third side.