The coordinates of the vertices of quadrilateral abcd are (7, -7), (4, -10), (1.5, -2.5), and (6, -3), respectively. if quadrilateral abcd is rotated 180° counterclockwise about the origin, what are the coordinates of d’? a. (6, 3) b. (3, -6) c. (-6, 3) d. (-3, 6)
