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Quarter turn rotation

Author:
Paul Jorgens
Topic:
Rotation
To find the center of a 90 or 270 degree rotation, construct the segments joining the corresponding vertices. The center is the intersection of the perpendicular bisectors of those segments.

What was the degree of the angle of the rotation in the transformation above?

Check my answer

How did you figure out the degree of rotation?

What is the center of rotation?

Check my answer

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