(Two triangles are shown)

Triangle ABC which shows: Point A (-1,-1) Point B: (2,4) Point C (3,1)
&
Triangle DEF: Which has no coordinates

Question:
Given: ΔABC ≅ ΔFDE
What is the length of Segment line DE rounded to the nearest tenth?

3.2

4.2

2.2

3.6

I appreciate your help, it would mean a lot if you could explain it too. Thank you!

Question

(Two triangles are shown)

Triangle ABC which shows: Point A (-1,-1) Point B: (2,4) Point C (3,1)
& 
Triangle DEF: Which has no coordinates

Question:
Given: ΔABC ≅ ΔFDE
What is the length of Segment line DE rounded to the nearest tenth? 

3.2

4.2

2.2

3.6 

I appreciate your help, it would mean a lot if you could explain it too. Thank you!

anonymous · Answer

Here is the picture of the triangles