Answer:
B
Step-by-step explanation:
When flipping, the y-levels of E' and F' do not change, meaning that as they are transferred across the y-axis, they keep their parallel to the original points.
5,475.9
180°
The sum of angles in any triangle is 180°
4:7
8 : 14
8/2 : 14/2
= 4 : 7
-10, -3, -2.001, 1, -7, -2.1, -5, -2.01
