CK-12 Geometry Concepts

12.4. Rotations http://www.ck12.org

2. If you rotated the letterp 180 ◦clockwise,what letter would you have? Why do you think that is?


3. A 90◦clockwise rotation is the same as what counterclockwise rotation?


4. A 270◦clockwise rotation is the same as what counterclockwise rotation?


5. Rotating a figure 360◦is the same as what other rotation?

Rotate each figure in the coordinate plane the given angle measure. The center of rotation is the origin.

6. 180◦


7. 90◦


8. 180◦


9. 270◦


10. 90◦


11. 270◦


12. 180◦


13. 270◦


14. 90◦

Algebra ConnectionFind the measure ofxin the rotations below. The blue figure is the preimage.

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Find the angle of rotation for the graphs below. The center of rotation is the origin and the blue figure is the preimage.

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