How do you rotate a figure 90 degrees counterclockwise about the origin?

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Rotate a figure 90 degrees counter clockwise about the origin

4. Rotations - 90 degrees counter clockwise, Math, geometry

rotation 90 degrees counterclockwise about the origin

90 Degree Counterclockwise Rotation Rule

3 Ways to Rotate a Shape - wikiHow

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

90 Degree Counter Clock Wise Rotation About Any Arbitrary Point

Rotation of 90 degrees Counter Clockwise by Coordinates (Grade 8 Nelson Lesson 7.3 3 9 13)

A triangle with vertices A (–2, –1), B (–1, 4), and C (5, 0) is rotated 90 degrees counter-clockwise about vertex B. What are the coordinates of the image of vertex A? - Quora