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 Angle of Rotation     Angle     Centre of Rotation     Degree     Measure     Point     Protractor     Rotation     Transformation     Turn  

Angle of Rotation
Definition of Angle of Rotation

• Angle of rotation is the measure of degrees that a figure is rotated about a fixed point.

More about Angle of Rotation

• A rotation is a transformation that turns a figure about a fixed point called the center of rotation.

Example of Angle of Rotation

• In moving from point A to point B (clockwise), the angle of rotation of the Ferris wheel is 45°.

Solved Example on Angle of Rotation

Find the angle of rotation.

Choices:
A. 120°
B. 60°
C. 45°
D. 90°
Correct Answer: B
Solution:
Step 1: A rotation is a transformation that turns a figure about a fixed point called the center of rotation.
Step 2: Use a protractor to measure the angle of rotation.

Step 3: The angle of rotation is observed as 60°.

Related Terms for Angle of Rotation

• Angle
• Centre of Rotation
• Degree
• Measure
• Point
• Protractor
• Rotation
• Transformation
• Turn

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