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No trapezoids are parallelograms, and

no parallelograms are trapezoids.

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Q: Is All trapezoids parallelograms

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There is disagreement among authors on this. It depends on your definition of a trapezoid. A parallelogram is defined as a quadrilateral with opposite sides parallel. A trapezoid is defined as either- a quadrilateral with at least one pair of parallel sides, or- a quadrilateral with exactly one pair of parallel sides.Therefore, if you go with the former definition, yes all parallelograms are trapezoids, because all parallelograms have at least one pair of parallel sides. If you use the latter definition, no.The "at least one" definition is consistent with the trapezoid's uses in higher math, such as the trapezoidal rule for approximating integrals.You can say, however, that all trapezoids are not parallelograms.

No because a trapezoid has only 1 pair of parallel sides whereby a parallelogram has 2 pairs of parallel sides

Quadrangles that are not parallelograms = trapezoids, kites, any other polygon that is not a parallelogram

yes * * * * * Never. A parallelogram has two pairs of equal angles opposite one another. A trapezoid does not.

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No trapezoids are parallelograms, and no parallelograms are trapezoids.

No trapezoids are parallelograms, and no parallelograms are trapezoids.

No trapezoids are parallelograms, and no parallelograms are trapezoids.

No. Parallelograms are never trapezoids. Trapezoids are never parallelograms.

No. Trapezoids are not parallelograms at all.

No, but all parallelograms are trapezoids.

No but all parallelograms are trapezoids

All trapezoids are also parallelograms.

never

parallelograms have two sets of parallel lines trapezoids do not

No because all quadrilaterals are 4 sided shapes which includes parallelograms, trapezoids, squares, rectangles, kites......etc

yes

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