I don't think there is a shape for that it's just a polygon as long as all the lines connect to make it a closed figure.
A quadrilateral
rhombus
A quadrilateral
It is a general polygon. Unlike with triangles, there is no special name for such a shape.
An octagon
It has at least 3 sides. It can have as many sides as it wants as long as it is closed and none of the sides are curved. A polygon with 4 sides is a quadrilateral.
a polygon with 4 right angles and 4 sides of the same length
a prism
idk i know thers isosceles and equalateral but the other one used to be on the tip of my tongue
a polygon
square
A quadrilateral