en.wikipedia.org/wiki/Rotation

A rotation is a circular movement of an object around a center (or point) of rotation. A three-dimensional object can always be rotates around an infinite number ...

en.wikipedia.org/wiki/Rotation_(mathematics)

Rotation in mathematics is a concept originating in geometry. Any rotation is a motion of a certain space that preserves at least one point. It can describe, for ...

www.mathsisfun.com/geometry/rotation.html

Rotation. "Rotation" means turning around a center: The distance from the center to any point on the shape stays the same. Every point makes a circle around ...

www.mathsisfun.com/definitions/rotation.html

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-rotations/v/points-after-rotation

Sal is given a triangle on the coordinate plane and the definition of a rotation about the origin, and he manually draws the image of that rotation.

www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-rotations/a/rotating-shapes

In this article we will practice the art of rotating shapes. Mathematically speaking, we will learn how to draw the image of a given shape under a given rotation.

www.dictionary.com/browse/rotation

Rotation definition, the act of rotating; a turning around as on an axis. See more.

mathworld.wolfram.com/Rotation.html

Rotation in the plane can be concisely described in the complex plane using multiplication of complex numbers with unit modulus such that the resulting angle is ...

www.thesaurus.com/browse/rotation

Synonyms for rotation at Thesaurus.com with free online thesaurus, antonyms, and definitions. Dictionary and Word of the Day.