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All rectangles have 90 degree angles and with parallelograms that does not always have to be the case. But no matter what in order for a parallelogram to be a rectangle the angles have to all be 90 degrees.
Rectangles are special cases of parallelograms. They have all the properties of parallelograms, and in addition, all their internal angles are right-angles - 90° angles.
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Earn +20 ptsQ: What is true of rectangles that isn't true of parallelograms in general?
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Is not all rectangles are parallelograms true?
not true
Are all rectangles parallaelgrams?
All rectangles are parallelograms.
There are some parallelograms which are not rectangles true or false?
yes. rectangles are just the special cases of parallelograms where the angles are all 900
There are some parallelograms which are rectangles?
yes, it is true
Is it true some rectangles are not parallelograms?
No. All rectangles are parallelograms, specifically those with two pair of parallel sides and all right angles.
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