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Rectangles have 4 rift angles and some parallelogram doesn't have 4 right angles. Only two parallelogram has 4 right angles , square and rectangle

Q: What do all rectangles have that some parallelograms do not have?

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No. Only some parallelograms are rectangles. But all rectangles are parallelograms.

All rectangles are parallelograms, so yes there are some.

Some parallelograms are rectangles; all rectangles are parallelograms.

yes

Yes. All rectangles are also parallelograms, but not all parallelograms are rectangles.

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In fact, some are rectangles, but not all are.

No. Only some parallelograms are rectangles. But all rectangles are parallelograms.

All rectangles are parallelograms, so yes there are some.

Some parallelograms are rectangles; all rectangles are parallelograms.

All of them are.

Yes, all rectangles are parallelograms. However, not all parallelograms are rectangles.

yes

Yes. All rectangles are also parallelograms, but not all parallelograms are rectangles.

No. All rectangles are parallelograms, specifically those with two pair of parallel sides and all right angles.

Some are, most are not. On the other hand, all rectangles are parallelograms.

No. All rectangles are parallelograms. However, not all parallelograms are rectangles.

All parallelograms are not rectangles. The angles of a parallelogram need not be right angles and so the figure need not be a rectangle.