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How to rotate a triangle 90 degrees?

Understand the Problem

The question is asking for a method to rotate a triangle by 90 degrees, likely within a geometric context. This could involve specifying the point of rotation and how to adjust the triangle's vertices accordingly.

Answer

(x, y) → (y, -x)

To rotate a triangle 90 degrees clockwise about the origin, apply the transformation (x, y) → (y, -x) to each vertex of the triangle.

Answer for screen readers

To rotate a triangle 90 degrees clockwise about the origin, apply the transformation (x, y) → (y, -x) to each vertex of the triangle.

More Information

Rotating an object 90 degrees clockwise involves swapping the coordinates and changing the sign of the original x-coordinate.

Tips

Be careful not to confuse clockwise and counterclockwise rotations. Also, make sure to double-check the sign changes for accuracy.

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