All of those are polygons.
A square is a type of polygon, rectangle, parallelogram and quadrilateral.
A polygon and/or a quadrilateral.
square, rectangle, quadrilateral, polygon, parallelogram, equilateral
Quadrilateral, parallelogram, polygon.
Basically a quadrilateral. Specialised forms of quadrilateral are parallelogram, rectangle and square.
A quadrilateral is a 4 sided polygon such as a square, rectangle, parallelogram, trapezoid ..... etc
A rectangle is also a polygon, a parallelogram, and a quadrilateral with four right angles.
a quadrilateral trapezoidA polygon with four unequal sides is a quadrilateral, as is a square, rectangle, trapezoid and parallelogram.
Square
parallelogram square rectangle quadrilateral polygon plane figure
A quadrilateral is a generic term used to describe a four sided polygon. In other words, it is a shape that has four sides.A rectangle, rhombus, parallelogram and trapezium (trapezoid) has four sides. In light of this, it can be classified as a quadrilateral but, if the quadrilateral has no sides and angles equal, it could not be classified as any of the foregoing.
So sometimes yes A quadrilateral is a polygon with 4 sides. A rectangle is a parallelogram with 4 right angles. A quadrilateral is sometimes a rectangle. Here is an example of a quadrilateral that is not a rectangle: