A polygon is a two-dimensional geometric figure that has a finite number of sides. The sides of a polygon are made of straight line segments connected to each other end to end. The line segments of a polygon are called sides or edges. The point where two line segments meet is called vertex or corners, henceforth an angle is formed. An example of a polygon is a triangle with three sides.
4 sided polygon
A 4 sided polygon bounded by 4 finite line segments is known as a quadrilateral. The word ‘quadrilateral’ is composed of two Latin words, quadri meaning ‘four ‘and latus meaning ‘side’. Hence, it is a two dimensional figure having four sides (or edges) and four vertices.
A quadrilateral is a plane figure that has four sides or edges, and also have four corners or vertices.
There are many types of quadrilaterals. As the word ‘Quad’ means four, all these types of a quadrilateral have four sides, and the sum of angles of these shapes is 360 degrees.