Rotational Symmetry

Symmetry of Class 6

Rotational Symmetry

When an object rotates, its shape and size do not change. The rotation turns the object about a fixed point. This fixed point is called centre of rotation. The angle of turning during rotation is called the angle of rotation. A full turn means a rotation of 360°.

If an object looks similar after rotating it 0° about its centre, the object is said to have rotational symmetry.

rotational symmetry

rotational symmetry

rotational symmetry

 

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