Respuesta :

14amavanessa

Answer:

The scale factor of the dilation is 1/2

Step-by-step explanation:

The longest side on the black shape is 20 units long. On the green shape, this same side is now 10 units long

The length has halved (20 ÷ 2 = 10) so the scale factor is 1/2

Hope this helps!

reinhard10158

Answer:

0.5

Step-by-step explanation:

all sides of the new, green shape are half as long as the sides of the original black shape.