no
Yes
Yes it is one
It can be in some cases.
No, but a parallelogram is a quadrangle.
No.
4
Yes, it is a parallelogram.
Yes
quadrilateral ~rainingcoconuts
No not normally
'A square is a type of rectangle, a rectangle is a type of paralellogram, a paralellogram is a type of trapezoid, a trapezoid is a type of quadrilateral.