Rectangle ABCD is shown in the picture. Point E is the center of the rectangle. Douglas claims that there are transformations that preserve the length of the rectangle’s sides. Which of the following transformations could be used to support Douglas’s claim? Select all that apply. A
A rotation of 90 degrees clockwise about vertex B.
B
A dilation of scale factor 1 through center E.
C
A vertical stretch of scale factor 3 through center E.
D
A reflection over the side AB.
E
A translation of 5 units to the left.