xitlalizt1353 xitlalizt1353
  • 20-10-2017
  • Mathematics
contestada

What are the new coordinates of the point (-3, 7) after it has been rotated 90° counterclockwise about the origin?

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Rod44 Rod44
  • 20-10-2017
The y coord becomes the negative x coord and the x coord becomes the y coord. So (-3,7) becomes (-7,-3).
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