Rotate △ABC 90 degrees (counterclockwise) about the origin to create AA' B'C'. What are the coordinates of the following points? (3 points)

Question

-10

A'

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Answer 1

To rotate a point \( (x, y) \) 90 degrees counterclockwise about the origin, you can use the following transformation:

\[ (x, y) \rightarrow (-y, x) \]

If you have the coordinates of point \( A \) as \( (x_A, y_A) \), then the coordinates of point \( A' \) after rotation will be:

\[ A' = (-y_A, x_A) \]

If you provide the coordinates of the original point \( A \) (and potentially points \( B \) and \( C \) if needed), I can help you find the coordinates of \( A' \). Please provide the coordinates for point \( A \).