Trapezium

Rhombus

Parallelogram

Rectangle

Square

A convex quadrilateral with at least one pair of parallel sides

A parallelogram with four equal sides and opposite equal angles

quadrilateral with two pairs of parallel sides.

quadrilateral with all the 4 angles of equal measure, that is, each of them is 90°& Both the pairs of opposite sides are parallel and equal in length

quadrilateral with all the 4 angles and all 4 sides of length are equal