Question

Pentagon ABCDE is rotated 90° counterclockwise about the origin to form pentagon A'B'C'D'E'. What is the y-coordinate of point C'?

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Answer 1

4

Explanation:

Answer 2

The y-coordinate of point C' is 4

Explanation:

In the picture attached, pentagon ABCDE is shown.

Rotation 90° counterclockwise about the origin transforms point (x,y) into (-y,x).

C is located at (4, 3), then C' is located at (-3, 4)