A quadrilateral is a plane figure that has four sides or edges, so having four corners or vertices. Quadrilaterals will typically be of standard shapes with four sides like rectangle, square, trapezoid, and kite or irregular and uncharacterized.
Types of quadrilaterals
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.
Classification of quadrilaterals
- Quadrilateral: trapezium
Properties: two sides are parallel
- Quadrilateral: parallelogram
Properties: two sides are parallel and opposite angles are equal
- Quadrilateral: rhombus
Properties: a parallelogram with four equal sides
- Quadrilateral: square
Properties: four right angles and four equal sides
- Quadrilateral: rectangle
Properties: four right sides and opposite sides are equal