Question

what is rotational symmetry ​

Answer 1

Rotational symmetry, also known as radial symmetry in biology, 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 the same. 

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Answer 2

Rotational symmetry also known as radual symmetry in biology is the property a shape has when it looks the same after rotatuiin by a partial turn. An objects degree of rotational symmetry is the number od distinct orientations in which it looks the same.

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