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
5 February, 18:16
The transformation was a 90 degree rotation about the origin.
5 February, 20:03
The answer is A the transformation was a 90° rotation about the origin., i just got it right
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» Triangle ABC was transformed using the rule (x, y) → (-y, x). The vertices of the triangles are shown.