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A quadrilateral can be called a trapezoid if it has at least one pair of parallel sides. In the context of American geometry, this definition includes both the standard trapezoid, which has one pair of parallel sides, and the isosceles trapezoid, where the non-parallel sides are equal in length. In contrast, some definitions, like the one used in British mathematics, require two pairs of parallel sides for a shape to be classified as a trapezoid, which would then be referred to as a parallelogram.

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2d ago

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Related Questions

Is every quadrilateral a trapezoid?

No, not every quadrilateral is a trapezoid, although a trapezoid is also a quadrilateral because it has four sides.


Is a trapezoid also a quadrilateral?

Yes a trapezoid is a quadrilateral. Quadrilateral means "four sided", and trapezoids have four sides.


What are synonyms of a trapezoid?

A quadrilateral! It is also called a trapezium outside of North American.


Is a trapezoid always a quadrilateral?

No. A quadrilateral is any four-sided figure. A trapezoid is one example of a quadrilateral.


What are two other names for a trapezoid?

A trapezoid is called a trapezium in the UK (because the UK trapezoid is scalene). In any case, a trapezoid is also a quadrilateral, in that it has four sides.


Which quadrilateral has opposite sides that are not parallel?

that quadrilateral would be called a trapezoid. :)


What is a trapazoid called in polygons?

A trapezoid is a quadrilateral.


Is a trapezoid a quadrilateral?

Yes. A trapezoid has four sides, and hence, is a quadrilateral.* The US definition of a trapezoid has one set of parallel sides. In the UK, this is called a trapezium.


Is a trapezoid just a quadrilateral?

Yes, a trapezoid is a quadrilateral.


What is a polygon with 4 sides none of the same length?

The only terms that definitely apply are "quadrilateral" (or more specifically an "incongruent quadrilateral") and "quadrangle."The polygon may also be a trapezoid or a trapezium, but it is also possible to have a trapezoid or trapezium with two sides equal. Also note that the British and American definitions of trapezoid and trapezium are exactly reversed: an American trapezoid is a British trapezium, and a British trapezoid is an American trapezium.A polygon with 4 sides is called a quadrilateral. There is no special name to indicate that it has no two equal sides.


What is a quadrilateral with exactly two parallel lines called?

It is a trapezoid


A quadrilateral that has only two parallel sides is called a?

A trapezoid.