Question

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

Answer:

A the first one ( the rotation of 90 degree)

Step-by-step explanation:

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Answer 2

Answer: Choice A) 90 degree rotation

Check out the diagram below. It shows a 90 degree counterclockwise rotation.