shalizehkermani shalizehkermani
  • 20-10-2020
  • Mathematics
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What is the image of the point (9, -2) after a rotation of 90º counter-clockwise about the origin?

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Marwana2465
Marwana2465 Marwana2465
  • 20-10-2020
(X,Y) => (-Y,X) Change the sign of the Y value, and switch.
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