The polygons are similar. Find x and y. The images are not drawn to scale.
Ax = 15, y = 18
Bx = 18, y = 14
Cx = 18, y = 16
Dx = 21, y = 14
Ax = 15, y = 18
Bx = 18, y = 14
Cx = 18, y = 16
Dx = 21, y = 14