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What are the coordinates of A’ after a 90° counterclockwise rotation about the origin.
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What are the coordinates of A’ after a 90° counterclockwise rotation about the origin.

What are the coordinates of A’ after a 90° counterclockwise rotation about the origin-example-1
User Pramodya Mendis
by
5.2k points

1 Answer

3 votes

Answer:

A' (- 1, - 5 )

Explanation:

Under a counterclockwise rotation about the origin of 90°

a point (x, y ) → (- y, x ), then

A (- 5, 1 ) → A' (- 1, - 5 )

User Vrs
by
3.9k points
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