Parallelogram ABCD, shown on the coordinate grid, is rotated 90° counterclockwise about the origin, creating parallelogram A′B′C′D′.



What is the y-value of the coordinates for vertex D′?

Parallelogram ABCD shown on the coordinate grid is rotated 90 counterclockwise about the origin creating parallelogram ABCD What is the yvalue of the coordinate class=