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Are there some parallelograms that are rectangles?
All rectangles are parallelograms, so yes there are some.
Can a parallelogram also be a rectangle?
Some parallelograms are rectangles; all rectangles are parallelograms.
Do parallelograms have lines of symmetry?
Some do, but not all. It's not a general thing that you can say about all parallelograms.
Are all parrellelograms rectangles?
No. Only some parallelograms are rectangles. But all rectangles are parallelograms.
What do some parallelograms not have?
A right angle.
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.
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.
Is a parallelogram a quadrilateral and a polygon?
Some parallelograms could be quadrilaterals but all parallelograms are polygons
Are parallelograms rhombuses?
Some parallelograms are rhombuses, but all rhombuses are parallelograms. A parallelogram is a rhombus if and only if all of it's sides are the same length.
