A square has a rotational symmetry of order 4 about its centre. What is the angle of rotation?

A square has a rotational symmetry of order 4 about its centre. What

1.	A square has a rotational symmetry of order 4 about its centre. What is the angle of rotation?
A.	\[45{}^\circ \]
B.	\[90{}^\circ \]
C.	\[180{}^\circ \]
D.	\[270{}^\circ \]
Answer» C. \[180{}^\circ \]

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A square has a rotational symmetry of order 4 about its centre. What is the angle of rotation?

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