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# Chapter 3 Class 8 Understanding Quadrilaterals

Get NCERT Solutions of Chapter 3 Class 8 Understanding Quadrilaterals free at teachoo. Answers to all exercise questions and examples have been solved, with concepts of the chapter explained.

In this chapter, we will learn

• What are curves, open curves, closed curves, simple curves
• What are polygons, Different Types of Polygons
• Diagonal of a Polygon
• Convex and Concave Polygons
• Regular and Irregular Polygons
• Angle Sum Property of Polygons
• Sum of Exterior Angles of a Polygon
• Exterior Angles of a Regular Polygon
• What is a Quadrilateral
• Different types of Quadrilaterals and their properties -
• Trapezium
• Kite
• Parallelogram
• Rhombus
• Rectangle
• Square
• Parallelogram properties - Opposite Angles are equal, Opposite sides are equal, Adjacent Angles are supplementary, Diagonals Bisect Each other
• Rhombus, Rectangle, Square are all parallelograms with additional properties

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