Question

1. True or false: A rotation is a type of transformation in which each point of a pre-image is moved along a circular path centered at a given center of rotation O. (1 point)
A. This statement is false. A rotation is a type of transformation in which every point of an object moves the same distance in the same direction.
B. This statement is false. A rotation is a line over which each point in a figure is reflected.
C. This statement is true.
D. This statement is false. A rotation is a type of transformation in which every point of an object is moved to a point on the other side of a given line and the same distance from the line.
2. How many degrees is a half-circle rotation? (1 point)
A. 0°
B. 180°
C. 90°
D. 360°
3. A point is rotated °205° counterclockwise. What is the equivalent clockwise rotation? (1 point)
A. 385°
B. 25°
C. −155°
D. 155
4. A rhombus is rotated °60°. What is the resulting shape? (1 point)
Responses
A. a trapezoid
B. a nonrhombus parallelogram
C. a rhombus
D. a nonsquare rectangle

5. True or false: A map is the center of the circular path that pre-image points take during a rotation. (1 point)
A. This statement is false. A map is an action that changes a geometric object to produce a new geometric object.
B. This statement is false. A map is an original figure before a transformation is applied.
C. This statement is false. A map is a function that takes a point as an input and produces a point as an output.
D. This statement is true.

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