that quadrilateral would be called a trapezoid. :)
Yes, a trapezoid is a quadrilateral.
trapezoid
It is true that every trapezoid is a quadrilateral
A square has 4 equal sides but is not a trapezoid.
No, not every quadrilateral is a trapezoid, although a trapezoid is also a quadrilateral because it has four sides.
Yes a trapezoid is a quadrilateral. Quadrilateral means "four sided", and trapezoids have four sides.
A quadrilateral! It is also called a trapezium outside of North American.
No. A quadrilateral is any four-sided figure. A trapezoid is one example of a quadrilateral.
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.
that quadrilateral would be called a trapezoid. :)
A trapezoid is 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.
Yes, a trapezoid is a quadrilateral.
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.
For the same reason that a cat is an animal but an animal is not always a cat. Because a trapezoid is a special kind of quadrilateral. A quadrilateral is anything with four sides. A trapezoid has four sides, and also two of them are parallel to each other. Therefore some quadrilaterals are trapezoids, but most of them aren't.
A trapezoid.