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No. A trapezoid is defined as a quadrilateral with two parallel sides. Therefore, the quality of quadrilateral is necessary, and this condition is satisfied. ... Any other shape can have four sides, but if it does not have (at least) two parallel sides, it cannot be a trapezoid.

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Q: Where attribute must be present for a quadrilateral to also be a trapezoid?

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A rectangle is a quadrilateral (4 sides) and has all right angles and 2 pairs of parallel sides. A trapezoid is also a quadrilateral, but has only 1 pair of parallel sides.

First of all, a trapezoid is not always a parallelogram. Did you mean the reverse: "Why is a parallelogram also a trapezoid"? If so, this depends upon your definition of a trapezoid and parallelogram. Some people define a trapezoid as a quadrilateral with exactly one pair of parallel sides, and a parallelogram as a quadrilateral with exactly two pairs of parallel sides. According to these definitions, a trapezoid can *NEVER* be a parallelogram, so your question is meaningless. However, others might define a trapezoid as a quadrilateral with one *or two* pairs of parallel sides. If you use this definition, then all parallelograms are also trapezoids, much in the same manner that all squares are also rectangles.

Yes and it is also a four sided quadrilateral

A trapezoid is a quadrilateral in which only one pair of opposite sides are parallel to each other. Also, no sides are the same length, and no angles are the same size.

It is a quadrilateral because it has 4 sides 2 of which are parallel and it can also take the form as an isosceles trapezoid. It has 4 interior angles that add up to 360 degrees.

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A trapezoid is a quadrilateral which must have one pair of parallel sides. If the other pair of sides is also parallel then it is a parallelogram.

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.

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

It must have only one set of parallel lines.

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 is an example of a regular polygon or a geometrical shape. It is also an example of a quadrilateral.

rectangleA trapezoid will also suffice.

A trapezoid is a 4 sided quadrilateral which can also take the shape of an isosceles trapezoid and in the UK it is known as a trapezium

rectangleA trapezoid will also suffice.

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.

Rhombus and a trapezoid A trapezoid may have a right angle and a square is also a rhombus, so the kite is the only quadrilateral that can't have a right angle.