Which of the following statements are correct?

A. If one interior angle of a parallelogram is a right angle, then the parallelogram must be a rectangle.

B. If two diagonals of a rectangle are perpendicular, then the rectangle must be a square.

C. If two diagonals of a rhombus are equal, then the rhombus must be a square.

D. If one interior angle of a rhombus is a right angle, then the rhombus must be a square.

E. If two diagonals of a parallelogram are equal, then the parallelogram must be a rectangle.

Enter all correct options as a list of letters, separated by commas.

Guest Dec 13, 2020