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Some rectangles are not parallelograms

Updated: 4/28/2022

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Q: Some rectangles are not parallelograms

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A polyhedron with two parallel congruent bases and all other faces being parallelograms is what?

It is a skew prism. If the parallelograms are rectangles then it is a right prism.

Is every rectangle is a parallelogram?

No. A rectangle is a parallelogram because all of its sides are parallel, but a parallelogram is not a rectangle because it does not have all right angles. It is a true statement to say that all rectangles are parallelograms. However, the statement that all parallelograms are rectangles is false. A parallelogram is a shape where its opposite sides are parallel to each other, including squares, hexagons, octagons, etc.

What quadrilateral always has only 1 pair of parallel sides?

Squares, rectangles, parallelograms and rhombuses have 2 pairs of parallel sides. The trapezoid has only 1 pair of parallel sides.

Do parallelograms have four congruent sides?

Not all parallelograms do but a rhombus does.

If two parallelograms are similar then the corresponding angles are what?

If two parallelograms are similar then the corresponding angles are EQUAL.

Are some parallelograms rectangles?

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

Are there some parallelograms that are rectangles?

All rectangles are parallelograms, so yes there are some.

Are all parrellelograms rectangles?

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

Can a parallelogram also be a rectangle?

Some parallelograms are rectangles; all rectangles are parallelograms.

Is some rectangles parallelograms?

All of them are.

There are some parallelograms that are rectangles?

True

Do parallelograms have congruent diagonals?

Some of them (rectangles) do.

There are some parallelograms which are rectangles?

yes, it is true

Are some parallelograms ever rectangles?

Yes

Are some or all parallelograms rectangles?

yes

Some parallelograms are also rectangles?

Yes.

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

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Some rectangles are not parallelograms?

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