Square
False. If both pairs of opposite angles of a quadrilateral are congruent then the quadrilateral is a parallelogram.
It is a parallelogram or an isoangular quadrilateral.
If a quadrilateral has two pairs of opposite congruent sides, then the quadrilateral is a parallelogram.
No. A square fits the classification of a quadrilateral and a parallelogram, but that isn't necessarily the definition. A rhombus is a quadrilateral and a parallelogram, and so are other irregular quadrilaterals. The correct definition would be a parallelogram and a quadrilateral with four right angles and all equal sides.
A parallelogram is also a quadrilateral.
quadrilateral
parallelogram
a parallelogram.
A quadrilateral, a rectangle, a parallelogram
polygon, sometimes a parallelogram
it's a Quadrilateral or a polygon.
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.
A quadrilateral is a polygon with four sides. A parallelogram is a quadrilateral in which the opposite sides are parallel.
No. A parallelogram is a special kind of quadrilateral.
A shape that is a parallelogram but not a quadrilateral doesn't exist.
Parallelogram.