HSG.CO.A.3: Given a rectangle, parallelogram, trapezoid, or regular polygon, describe the rotations and reflections that carry it onto itself.

Also written as G-CO.3 or G.CO.3

Given a rectangle, parallelogram, trapezoid, or regular polygon, describe the rotations and reflections that carry it onto itself.

Khan Academy Resources
Reflective symmetry of 2D shapesRotational symmetry of 2D shapesFinding a quadrilateral from its symmetries (example 2)Finding a quadrilateral from its symmetriesIntro to rotational symmetryIntro to reflective symmetry
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