Triangle ABC is rotated 90 degrees clockwise

If triangle ABC is rotated 90 degrees clockwise about the origin, what are the coordinates of B’?

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A 90° clockwise rotation takes the coordinates from (x,y) to (y,-x).

You didn't state the coordinates of B.
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If B had coordinates of (3,2), then B' would be at (2,-3) after a 90° clockwise rotation.

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