Definition Of Centre Of Rotation

Centre of Rotation is the fixed point around which a two-dimensional figure is rotated.

More About Centre of Rotation

A two-dimensional figure always rotates around a point and a three-dimensional figure rotates around an axis.

Video Examples: centre of rotation

Example of Centre of Rotation

In the above diagram, the ferry wheel rotates around a fixed point and that point is called the center of rotation.

 

Solved Example onCentre of Rotation

Ques: Identify the center of rotation of the following figure.

Choices:

A. Figure 1
B. Figure 2
C. Figure 3
D. Figure 4
Correct Answer: A

Solution:

Step 1: Center of rotation is the point around which the figure is turned.
Step 2: For the given figure, the center of rotation is the center of the figure.
Step 3: The center of rotation is shown in Figure 1.

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