SOLUTION: is a parrallelogram a rectangle-always,never,sometimes?

SOLUTION: is a parrallelogram a rectangle-always,never,sometimes?

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Question 77883: is a parrallelogram a rectangle-always,never,sometimes?
Answer by 303795(602) (Show Source): You can put this solution on YOUR website!
Sometimes.
The opposite sides are always the same length in a parallelogram.
If the angles in a parallelogram are 90 degrees as well then it is rectangle.
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