Question

A polygon with four sides

Answer 1

A polygon with four sides is known as a quadrilateral.
Quadrilaterals have four sides and four angles as well.
There's many different types of quadrilaterals:
square
rectangle
rhombus
trapezoid
The trapezoid has to meet qualifications to be considered a quadrilateral, such as a pair of parellel lines.

Answer 2

Hey there!

A polygon with four sides is a quadrilateral.

A quadrilateral s a four sided shape with four angles.

There are many quadrilaterals such as squares, rectangles and diamonds and rhombuses.

I hope this helped! :-)