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A'B'C' is the image of AABC under a rotation about the origin, ( 0,0).

Determine the angles of rotation.


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A'B'C' is the image of AABC under a rotation about the origin, ( 0,0). Determine the-example-1

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5 votes

Answer:

90° CCW

Explanation:

The angle from C to the origin to C' is a right angle when measured counterclockwise (in the usual direction).

ΔA'B'C' is a rotation of ΔABC 90° CCW.

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This is fully equivalent to a rotation of 270° CW.

User Igor Benikov
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