Hexagon ABCDEF → hexagon A'B'C'D'E'F'. 2 hexagons are shown. The first hexagon has all equal side lengths and angles. Sides A F and C D of the second hexagon have been elongated and are congruent to each other. All other sides in hexagon 2 are the same length as the sides in hexagon 1. How can the transformation shown be described? Check all that apply. dilation isometric transformation nonrigid transformation reflection rotation stretch