Geometry
posted by Don .
8)Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following can you conclude about this parallelogram?
A) Its diagonals are perpendicular bisectors of each other.
B) It is a square.
C) Its angles are not all congruent.
D) None of the above
I chose C according to the definitions I had, but I'm still not sure.

Agree, C
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