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10-13.

Crystal is amazed! She graphed using the points , , and . Then she rotated counterclockwise () about the origin to find . Meanwhile, her teammate took a different triangle () and rotated it clockwise () about the origin to find . Amazingly, and ended up having exactly the same points! Name the coordinates of the vertices of .

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Click the link at right for the full version of the eTool: Int1 10-13 HW eTool