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A trapezoid (UK trapezium) is a quadrilateral has only one pair of parallel sides. Otherwise, there are many irregular quadrilaterals that have no parallel sides, such as a kite or dart shape, and these include both concave and convex quadrilaterals.
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Why is a parallelogram always a quadrilateral but a quadrilateral is only sometimes a parallelogram?
A parallelogram must have 4 sides and so it must be a quadrilateral. However, the sides of a quadrilateral need not be parallel so a quadrilateral need not be a parallelogram.
What is a quadrilateral parallelogram?
A quadrilateral is a polygon with four sides. A parallelogram is a quadrilateral in which the opposite sides are parallel.
If one diagonal of a quadrilateral bisects the other when is the quadrilateral a parallelogram?
In this case, the quadrilateral is sometimes a parallelogram.
If opposite angles of a quadrilateral are supplementary is the quadrilateral a parallelogram?
No. A quadrilateral is a parallelogram when consecutiveangles are supplementary.
What quadrilateral not a parallelogram?
There is no one type. Examples of quadrilaterals that are not parallelograms are trapezoids and kites.
What is it when the quadrilateral is a parallelogram?
It is a special type of a quadrilateral.
What type of quadrilateral is a rectangle?
It is a parallelogram or an isoangular quadrilateral.
What kind of quadrilateral is a rectangle?
A rectangle is a type of quadrilateral, and it also is a parallelogram.
What type of quadrilateral is not considered a parallelogram?
A Trapezium is a four sided shape with only one pair of parallel lines.
What is the definition of parallelogram?
A parallelogram can be considered as a slanted rectangle. More precisely, a parallelogram is a quadrilateral where each pair of opposite side is parallel.A parallelogram can be considered as a slanted rectangle. More precisely, a parallelogram is a quadrilateral where each pair of opposite side is parallel.A parallelogram can be considered as a slanted rectangle. More precisely, a parallelogram is a quadrilateral where each pair of opposite side is parallel.A parallelogram can be considered as a slanted rectangle. More precisely, a parallelogram is a quadrilateral where each pair of opposite side is parallel.
Can a parallelogram be any type of shape?
No, because a parallelogram is always a 4 sided quadrilateral.
Why is a parallelogram always a quadrilateral but a quadrilateral is only sometimes a parallelogram?
A parallelogram must have 4 sides and so it must be a quadrilateral. However, the sides of a quadrilateral need not be parallel so a quadrilateral need not be a parallelogram.
What 2 type of quadrilateral with no right angle and opposite angles equal?
parallelogram in general, and a rhombus also, which is a type of parallelogram
What is a parallelogram a special type of?
A parallellogram is a special type of polygon and a special type of quadrilateral.
What type or types of quadrilateral has only rotational symmetry?
The quadrilateral would have to be a parallelogram which is not also a rectangle or a rhombus.
What is a quadrilateral parallelogram?
A quadrilateral is a polygon with four sides. A parallelogram is a quadrilateral in which the opposite sides are parallel.
Is parallelogram and quadrilateral the same thing?
No. A parallelogram is a special kind of quadrilateral.
