algorithm - What is the rotation that gives an horizontal flip and a vertical flip? - Stack Overflow
BG Cartography » Calculating index rotation angle
Note: This figure shows a 45-degree rotation about the origin, which is... | Download Scientific Diagram
Rotating shapes about the origin by multiples of 90° (article) | Khan Academy
Lesson Explainer: Rotations on the Coordinate Plane | Nagwa
Rotating 270 degrees clockwise about the orign – GeoGebra
90 Degree Rotation: A Detailed Explanation and Examples - The Story of Mathematics - A History of Mathematical Thought from Ancient Times to the Modern Day
Understanding Degrees on the Web
Rotating shapes about the origin by multiples of 90° (article) | Khan Academy
linear algebra - Explanation of a 45-degree 2D rotation matrix - Mathematics Stack Exchange
Rotation in Math | Definition, Rules & Examples Video
Rules of Rotation - Geometry Review (Video)
5.1: Angles - Mathematics LibreTexts
180 Degree Rotation | Rotate a Figure 180 Degrees in Anticlockwise or Clockwise
How Do You Rotate a Figure 180 Degrees Around the Origin? | Printable Summary | Virtual Nerd
Is the formula for a 180-degree rotation the same for both clockwise and counterclockwise? Does this apply for clockwise and counterclockwise (-x,-y)? | Homework.Study.com