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Trapezoids are not considered parallelograms because parallelograms have 2 pairs of parallel sides, whereas trapezoids have only one.
Some definitions of trapezoid say "at least one pair of parallel sides" in which case, some trapezoids would be parallelograms (the ones that have 2 pairs of parallel sides), but most textbooks in the US now define trapezoids as "exactly one pair of parallel sides."
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∙ 13y ago
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How are squares rectangles parallelogram and trapezoids are different?
they are not congruent
are any trapezoids parallelogram?
No because trapezoids have different properties to that of parallelograms but they are both 4 sided quadrilaterals.
Are all parallelogram trapezoids?
No but they are both 4 sided quadrilaterals.
Is it true that some quadrilaterals are neither trapezoids nor parallelogram?
Yes.
Do some trapezoids have two pairs of parallel side's is that true?
Trapezoids have only one pair of parallel sides. A parallelogram has two pair of parallel sides.
Are trapezoids are like parallelogram?
No.
Isosceles trapezoids are parallelograms?
No. Isosceles trapezoids don't have 2 sets of equal sides, which is what a parallelogram is.
Every trapezoid is a parallelogram?
trapezoids are never parallelograms.
How are squares rectangles parallelogram and trapezoids are different?
they are not congruent
are any trapezoids parallelogram?
No because trapezoids have different properties to that of parallelograms but they are both 4 sided quadrilaterals.
Name a trapezoid that is not a parallelogram?
There are absolutely no trapezoids that are also parallelograms.
Do trapezoids have a parallelogram?
No. (To the extent that I can make any sense out of the question.)
What is a figures that is not a parallelogram with one pair of parallel sides?
Trapezoids
Are all parallelogram trapezoids?
No but they are both 4 sided quadrilaterals.
If a trapezoid is a parallelogram why is it?
Some people define trapezoids as having at least one pair of parallel sides. By this definition, all parallelograms are trapezoids, though not all trapezoids are parallelograms.Some people define trapezoids as having exactly one pair of parallel sides. By this definition, the terms "trapezoid" and "parallelogram" are mutually exclusive.
Is it true that some quadrilaterals are neither trapezoids nor parallelogram?
Yes.
What is a quadrangle that has 2 pairs of equal sides but not a parallelogram?
Quadrangles that are not parallelograms = trapezoids, kites, any other polygon that is not a parallelogram
