Practice with Rotations Topic Index | Geometry Index | Regents Exam Prep Center
Answer the following questions dealing with rotations.
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.
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.
This drawing has been rotated . yes no
Explanation The rotation has been 90 degrees.
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.
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.
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.
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.
A(2,3), B(2,-1), C(-1,-1)
Graph triangle ABC under the following rotations:
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Answer
