### Types and Properties of Quadrilaterals

Quadrilaterals are any four-sided figure, joined by four straight lines, that is, Quadrilaterals are four-sided polygons.

Properties of Quadrilaterals:

-Four sides.

-Four vertices (corners).

-Interior angles sum to 360^{°}.

-Exterior angles sum to 360^{°}.

Things to Know:

-Diagonals are line segments that join two opposite vertices (corners).

-Two sides are adjacent, if they share a common vertex.

-Two angles are adjacent, if they share a common side.

Rectangle

Rhombus

Square

Parallelogram

Trapezium

Isosceles Trapezium

Kite