trapezium
A square.
If it has only 4 sides in total, then it's a parallelogram.I think any figure with more than 4 sides can have two sets of parallel sides.
its self because a plane figure is a figure that is flat and has all strait sides.
circle
No plane figure has four vertices unless it has four sides.
quadlateral
A plane figure with 4 unequal sides is a quadralateral.
trapezium
A plane figure with eight sides is an octagon.
square
A square.
A sguar.
it is a plane and closed figure it has 4 corners and sides all the sides are equal
If it has only 4 sides in total, then it's a parallelogram.I think any figure with more than 4 sides can have two sets of parallel sides.
It is a quadrilateral shape that has 4 sides
Polygon