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06-11-2017
Mathematics

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Polygon ABCD is rotated 90º counterclockwise about the origin to create polygon A′B′C′D′. Match each set of coordinates to the vertices of polygon A′B′C′D′.

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06-11-2017

Rotation counterclockwise turns ABCD with points (x,y) into A'B'C'D' with points (-x,y).

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