SOLUTION: ????????? have perpendicular diagonals

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Question 157272: ????????? have perpendicular diagonals
Answer by midwood_trail(310) About Me  (Show Source):
You can put this solution on YOUR website!
Rhombus
I have all of the properties of the parallelogram PLUS
- 4 congruent sides
- diagonals bisect angles
- diagonals perpendicular
The answer is a rhombus.