How to Rotate a shape about the origin 90° counter-clockwise « Math :: WonderHowTo

Rotation Rules (Explained w/ 16 Step-by-Step Examples!)

PRACT: Rotation of 90 Degrees About The Origin

How to Translate a shape « Math :: WonderHowTo

Rotating shapes about the origin by multiples of 90° (article)

PRACT: Rotation of 90 Degrees About The Origin

90 Degree Clockwise Rotation about the Origin

Geometry Rotations Clockwise and Counterclockwise Explained! — Mashup Math

90 Degree Counter Clock Wise Rotation About Any Arbitrary Point

Geometry Points: Rotation 90 Degrees Counter Clockwise on a Coordinate Plane

90 Degree Counterclockwise Rotation Rule

Hot Math Posts — Page 37 of 45 « Math :: WonderHowTo

90 Degree Clockwise Rotation Rotation of Point through 90° about the Origin