Any plane polygon having four or more sides may have one pair of parallel sides.
A trapezoid is a quadrilateral with two parallel sides.
A quadrilateral with one pair of parallel sides is called a trapezium (most of the world) or trapezoid (US) . If it was to have two pairs of parallel sides it would be a parallelogram.
trapezoid
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.
No. A trapezoid has two parallel sides. This is not possible in a concave quadrilateral.
Trapezoid is the quadrilateral which have no parallel sides.
Yes, a trapezoid is a quadrilateral with only one pair of parallel sides.
no.
A trapezoid is a quadrilateral with exactly two parallel sides.
A trapezoid is a quadrilateral with two parallel sides. One on the top, and one on the bottom.
trapezoid
a trapezoid
A trapezoid is a quadrilateral with two parallel sides.
a trapezoid
No. A quadrilateral is trapezoid if it has at least one pair of parallel sides.
yes, some of its true, a trapezoid is a quadrilateral with "Two" pairs of parallel sides
All of them have parallel sides except for the trapezoid.