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## Four Sided Polygon - Quadrilateral

**In the Above diagram :-
**

Quadrilateral PQRS has

4 Sides - PQ, QR, RS and SP

**4 Angles** - PQR, QRS, RSP and SPQ

**4 Vertices** - P, Q, R and S

Angle sum property of Quadrilateral Construction of Quadrilateral (compass)

Before you study about what is a Quadrilateral you are advised to read

What is a Polygon ?

**"Quad" means Four**, so a polygon which have 4 Angles, 4 Sides and 4 Vertices is known as **Quadrilateral**.

**In the Above diagram :-
Quadrilateral ABCD has
4 Sides** - AB, BC, CD and DA

Quadrilateral PQRS has

4 Sides