parallelogram
a quadrilateral is a square, rectangle, rhombus, parallelogram, and trapezoid.
A rhombus, or a square if there is a 90o angle.
A parallelogram
A parallelogram (other than a square).
No
Yes, providing it has 4 sides.
Yes
rectangle, rhombus, parallelogram, trapezoid, isosceles trapezoid, kite ... etc
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.
In this case, the quadrilateral is sometimes a parallelogram.
No. A quadrilateral is a parallelogram when consecutiveangles are supplementary.
No, a parallelogram is not another kind of quadrilateral.
It's not a matter of 'finding' it. Either the quadrilateral is a parallelogram,or else it is not one.If the opposite sides of the quadrilateral are parallel, then it's a parallelogram.