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Never, honey. Just because a parallelogram has those fancy opposite sides that are parallel, doesn't mean it automatically becomes a rectangle. Rectangles have those nice right angles, while parallelograms can be all slanted and sassy. So, keep those shapes in check, darling.
Parallelograms are a type of quadrilateral with opposite sides that are parallel. A rectangle is a specific type of parallelogram with four right angles. Therefore, all rectangles are parallelograms, but not all parallelograms are rectangles. So the statement "All parallelograms are rectangles" is false.
Oh, what a happy little question! Parallelograms and rectangles are like old friends on a beautiful painting. Remember, all rectangles are parallelograms, but not all parallelograms are rectangles. It's like having different shapes in your painting, each one unique and special in its own way.
why
Sometimes
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Are parallelograms always sometimes or never squares?
Sometimes they are.
Rectangles are always sometimes or never squares?
sometimes
Are trapizoids never sometimes or always rectangles?
never
Is a polygon a rectangle sometimes always or never?
Some polygons are rectangles. The vast majority are not.
Will a parallelogram always sometimes or never be a square?
Some parallelograms are squares - the ones which are equiangular (have equal angles) and are equilateral (have equal side lengths). All squares are parallelograms, but only some parallelograms are squares.
Are parallelograms never rectangles?
no
Are parallelograms always sometimes or never squares?
Sometimes they are.
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.
Rectangles are always sometimes or never squares?
sometimes
Are trapizoids never sometimes or always rectangles?
never
Are all parallelograms a quadrilaterals always sometimes or never?
-- A parallelogram is always a quadrilateral. -- A quadrilateral is sometimes a parallelogram.
The statement two parallelograms are similar is always never or sometimes true?
It is sometimes true that two parallelograms are similar. The could be congruent, or dissimilar in that one is not an enlargement of the other.
Is a polygon a rectangle sometimes always or never?
Some polygons are rectangles. The vast majority are not.
Are rhombus always rectangles?
No, they are NEVER rectangles.
Will a parallelogram always sometimes or never be a square?
Some parallelograms are squares - the ones which are equiangular (have equal angles) and are equilateral (have equal side lengths). All squares are parallelograms, but only some parallelograms are squares.
Are two parallelograms always similar?
Sometimes * * * * * Never. A parallelogram has two pairs of equal angles opposite one another. A trapezoid does not.
How do I know my parallelogram is not a rectangle?
A rectangle - has four right-angles at the corners. A Parallelogram - has no right-angles, but has opposite angles equal. Technically - a rectangle is a parallelogram, but a parallelogram can never be a rectangle. Clarification - Actually, all rectangles are parallelograms, but not all parallelograms are rectangles. The definition of a parallelogram is that of a four-sided shape where the opposite sides are parallel. There is no angle-size limitation in the definition. Squares, rectangles and rhombuses are all parallelograms.
