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4)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.

 Jan 12, 2019
 #1
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i think its a, b, c, d.

 

 

HOPE THIS HELPED!

 Jan 12, 2019

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