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Why are some parallelograms not rectangles?

Anonymous

∙ 14y ago

Updated: 11/1/2022

It is because parallelograms are in definition, is a quadrilateral with two pairs of parallel sides. So that means the angles don't have to be 90 degrees like the rectangle has to; as long as two pairs of sides are parallel and is a quadrilateral, it is a parallelogram.

Wiki User

∙ 14y ago

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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.

There are some parallelograms which are rectangles?

yes, it is true

Are some parallelograms ever rectangles?

Yes

Are some parallelograms rectangles?

It is NOT as case of 'Some'. It is ALL rectangles are parallelograms.

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.

Some rectangles are not parallelograms?

false

There are some parallelograms that are rectangles?

True

Is some rectangles parallelograms?

All of them are.

Do parallelograms have congruent diagonals?

Some of them (rectangles) do.

There are some parallelograms which are rectangles?

yes, it is true

Some parallelograms are also rectangles?

Yes.

Are some parallelograms ever rectangles?

Yes

Are some or all parallelograms rectangles?

yes

Why are some parallelograms not rectangles?

What else can I help you with?

Are there some parallelograms that are rectangles?

Are all parrellelograms rectangles?

Can a parallelogram also be a rectangle?

There are some parallelograms which are rectangles?

Are some parallelograms ever rectangles?

Are some parallelograms rectangles?

Are there some parallelograms that are rectangles?

Are all parrellelograms rectangles?

Can a parallelogram also be a rectangle?

Some rectangles are not parallelograms?

There are some parallelograms that are rectangles?

Is some rectangles parallelograms?

Do parallelograms have congruent diagonals?

There are some parallelograms which are rectangles?

Some parallelograms are also rectangles?

Are some parallelograms ever rectangles?

Are some or all parallelograms rectangles?

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