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5 February, 18:05

Triangle ABC was transformed using the rule (x, y) → (-y, x). The vertices of the triangles are shown. A (-1, 1) B (1, 1) C (1, 4) A' (-1, - 1) B' (-1, 1) C' (-4, 1)

Which best describes the transformation?

A Transformation was 90 rotation

B Transformation was 180 rotation

C Transformation was 270 rotation

D Transformation was 360 rotation

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Answers (2)
  1. 5 February, 18:16
    0
    The transformation was a 90 degree rotation about the origin.
  2. 5 February, 20:03
    0
    The answer is A the transformation was a 90° rotation about the origin., i just got it right
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