4 is the order of rotational symmetry for a square.
How many times a square can fit on top of itself during a 360-degree rotation is the measure of a square's rotational symmetry. The figure above demonstrates that a square's rotational symmetry has an order of four.
Rotational symmetry is the property of shapes and objects that maintain their appearance after a specific amount of rotation. After a half-turn, some shapes resemble one another.
The English letter S is in the same location if we rotate it 180 degrees around a central point. The term "angle of rotation" refers to the angle at which a rotation is made. Half a turn equals 180 degrees, a quarter equals 90 degrees, and a full turn is 360 degrees.
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