Haleybryant Haleybryant 18-02-2020 Mathematics contestada What are the coordinates of D’ when the quadrilateral is reflected across the line y = x? On a coordinate plane, quadrilateral A B C D has points (1, 2), (2, 4), (4, 3), (3, 1). A(1, 3) B (2, 4) C(3, 4) D(1, 1)