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Which of the following statements is always true?
a) A rectangle is a square b) A parallelogram is a rectangle. c) A rhombus is a square
d) If the diagonals of a parallelogram bisect each-other at right angles, then the parallelogram is a
rectangle.

Respuesta :

Answer: D

Step-by-step explanation:

A, B and C are incorrect. D is true because one of the defining properties of a rectangle is that its diagonals bisect each other at right angles. Therefore, if the diagonals of a parallelogram meet this condition, then the parallelogram must be a rectangle.

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