Respuesta :

9514 1404 393

Answer:

  5 units

Step-by-step explanation:

The scale factor for the dilation multiplies each length of the preimage to give you the length of the image. This tells you ...

  A'E' = (5/2)AE

  A'E' = (5/2)(2) = 5

The length of A'E' is 5 units.