What is a quadrilateral

Class IX Math - Quadrilaterals

In geometry, a quadrilateral can be defined as a closed, two-dimensional shape which has four straight sides. The polygon has four vertices or corners. We can find the shape of quadrilaterals in various things around us, like in a chess board, a deck of cards, a kite, a tub of popcorn, a sign board and in an arrow.
quadrilateral shapes
types of quadrilaterals
4 sided shape
shapes with 4 sides
is a square a parallelogram