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yes- a rectangle is defined to be a parallelogram with one right angle.
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∙ 13y ago
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Are all rectagles square?
no
What is negation of Some parallelograms are squares?
Some parallelograms are not sqaures
Are there some parallelograms that are rectangles?
All rectangles are parallelograms, so yes there are some.
Are some parallelograms rectangles?
In fact, some are rectangles, but not all are.
Are some parallelograms quadrilaterals?
All 4 sided parallelograms are quadrilaterals.
Are some quadrilaterals are parallelograms?
All 4 sided parallelograms are quadrilaterals.
Some parallelograms are squares?
By definition, all squares are parallelograms. Not all parallelograms, however, are squares. All rectangles and rhombuses are also parallelograms.
What polygon has two diagonals?
Squares, and rectagles have two diogonals.
Can a parallelogram also be a rectangle?
Some parallelograms are rectangles; all rectangles are parallelograms.
Parallelograms are squares is that sometimes always or never true?
Parallelograms are squares is sometimes true. Squares are parallelograms is always true. Rhomboids are parallelograms is also always true. So not all parallelograms are squares but some are.
Are all parallelograms quadrilaterals?
Yes because all parallelograms have four sides. But the opposite is not true. There are some quadrilaterals that aren't parallelograms.
Are some kites parallelograms?
No.
