Review - Unit 2

• A

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• (y,x)

• B(-y,x)

• (-x,y)

• (-x,-y)

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On a coordinate plane, Triangle XYZ is rotated 90 degrees counterclockwise about the origin to form Triangle X'Y'Z'. Which conclusion is always true?

• $\overline{XY}\parallel\overline{X'Y'}$

• $\overline{YZ}\perp\overline{Y'Z'}$

• $\overline{XY}\parallel\overline{Y'Z'}$

• $\overline{YZ}\perp\overline{X'Z'}$

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• D

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• D

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• D