CK-12 Geometry-Concepts

(Marvins-Underground-K-12) #1

http://www.ck12.org Chapter 12. Rigid Transformations



  1. There are 360◦around a point. So, an 80◦rotation clockwise is the same as a 360◦− 80 ◦= 280 ◦rotation
    counterclockwise.

  2. 360◦− 160 ◦= 200 ◦clockwise rotation.


Explore More


In the questions below, every rotation iscounterclockwise,unless otherwise stated.



  1. If you rotated the letterp 180 ◦counterclockwise, what letter would you have?

  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◦

Free download pdf