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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.

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Q: How do I know my parallelogram is not a rectangle?

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A rectangle is a parallelogram but a parallelogram is not a rectangle. A rectangle needs all 90 degree angles but a parallelogram dosnt.

A rectangle is a parallelogram but a parallelogram need not be a rectangle and so they are not the same.

No, A parallelogram is not a rectangle , but every rectangle is a parallelogram.

Nope, A rectangle is a type of parallelogram...

No. Every parallelogram is not a rectangle but every rectangle is a parallelogram.

yes, a rectangle is a parallelogram. A parallelogram is a polygon (closed shape with straight sides) that has exactly 2 pairs of parallel sides. A rectangle is a parallelogram with 4 right angles(90o). "Rectangle" is more specific. So all rectangles are parallelogram but not all parallelograms are rectangles.

A parallelogram is not a rectangle. However, a rectangle is a parallelogram because it has two pairs of opposite sides that are parallel

a parallelogram is a tilted rectangle

A parallelogram is slanted. A rectangle is not.

Yes. But not every parallelogram is a rectangle.

A rectangle will always be a parallelogram.

A rectangle is technically already a parallelogram

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