Any parallelogram is also a quadrilateral.
A rhombus is a parallelogram with all its sides of equal length.
A rectangle is a parallelogram with each of its vertex angles equal to 90°.
A square is a rectangle (and thus a parallelogram) with all its sides of equal length.
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Short answer: yes Long answer: quadrilateral is a geometric figure with 4 sides. Both a square and a parallelogram have 4 sides. Therefore, both are a quadrilateral.
it's a Quadrilateral or a polygon.
A rectangle (opposite sides are parallel which is a parallelogram!)
Yes. A parallelogram is a quadrilateral in which both pairs of opposite sides are parallel.
No, because a parallelogram is a kind of quadrilateral - a FOUR sided plane figure.