Practice with Rotations Topic Index | Geometry Index | Regents Exam Prep Center

Answer the following questions dealing with rotations.

 1. This pinwheel is spinning in a counterclockwise direction. True False Explanation The pinwheel is spinning in the opposite direction to the hands on a clock.

 2. The number of degrees separating the center lines of the blades on this fan is . True False Explanation There are 4 blades on the fan.  Divide 360 degrees by 4. The blades are 90 degrees apart.

 3. This drawing has been rotated . yes no Explanation The rotation has been 90 degrees.

 4. This triangle has been rotated in a clockwise direction.  True False Explanation Notice the movement of A to A' and so on. It is in a clockwise direction.

 5. Fish 2 is a 45 degree counter- clockwise rotation of Fish 1. True False Explanation Remember 45 degrees is half of a 90 degree movement.

 6. Polygon A'B'C'D' is a 180 degree counterclockwise rotation of polygon ABCD. True False Explanation Remember the letters which label the diagram do not have to be rotated.

 7. Seahorse 2 is a 90 degree counter- clockwise rotation of seahorse 1. True False Explanation The rotation is 90 degrees clockwise. Or it is 270 degrees counterclockwise.

8.
 A(2,3), B(2,-1), C(-1,-1) Graph triangle ABC under the following rotations: .

 Topic Index | Geometry Index | Regents Exam Prep Center Created by Donna Roberts