[SOLVED] What are the coordinates of the vertices after a rotation 90 counterclockwise around the origin.

Answer:When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative.Step-by-step explanation: trust me

What are the coordinates of the vertices after a rotation 90 counterclockwise around the origin.

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