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It is NOT as case of 'Some'.
It is ALL rectangles are parallelograms.
What else can I help you with?
There are some parallelograms that are rectangles?
True
Are all rectangles parallelagrams?
Yes, all rectangles are parallelograms. However, not all parallelograms are rectangles.
All rectangles are parallelograms. are all parallelograms rectangles explain.?
All parallelograms are not rectangles. The angles of a parallelogram need not be right angles and so the figure need not be a rectangle.
Are all rhombuses also rectangles?
No. Rhombuses that are also rectangles are called squares. Rhombuses are parallelograms with 4 equal sides, while rectangles are parallelograms where all the angles are right.
Are rectangles parallelograms?
Yes, rectangles are a special case of parallelogram, with four right angles.
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.
Some parallelograms are also rectangles?
Yes.
There are some parallelograms which are rectangles?
yes, it is true
Do parallelograms have congruent diagonals?
Some of them (rectangles) do.
Are some parallelograms ever rectangles?
Yes
Are some or all parallelograms rectangles?
yes
Are all rectangles parallelagrams?
Yes, all rectangles are parallelograms. However, not all parallelograms are rectangles.
