Answer:
Rotation was used to transform the figure.
Step-by-step explanation:
Since only one transformation was used, rotating the pre-image ABC 180° counterclockwise around the origin formed the image DEF.
I hope this helped! :-)
Answer:
choice 2) 2/9h
Step-by-step explanation:
Answer:

Step-by-step explanation:
The double angle formula states that:

In this question:

So

Then
