Problem 44 of 7
Identify the center and angle of rotation from Point D is rotated around E to D' such that the angle of rotation is 30 degrees counterclockwise.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
use distances and angle measures from center.
Hidden until you reveal it.
Facts must determine a rotation center and angle.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Find the point that is the same distance from each preimage and image point.
2. Use rays from that center to measure the angle.
3. Include direction when it is not 180 degrees.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Naming a point not equidistant from preimage and image.