# Rotational symmetry

## Property of objects which appear unchanged after a partial rotation / From Wikipedia, the free encyclopedia

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**Rotational symmetry**, also known as **radial symmetry** in geometry, is the property a shape has when it looks the same after some rotation by a partial turn. An object's degree of rotational symmetry is the number of distinct orientations in which it looks exactly the same for each rotation.

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Certain geometric objects are partially symmetrical when rotated at certain angles such as squares rotated 90°, however the only geometric objects that are fully rotationally symmetric at any angle are spheres, circles and other spheroids.^{[1]}^{[2]}