ncert solutions for class 9 maths chapter 8 pdf

A Quadrilateral has four-sides, it is 2-dimensional (a flat shape), closed (the lines join up), and has straight sides.

Characteristics of a Quadrilateral

• A quadrilateral has 4 sides, 4 angles and 4 vertices.
• A quadrilateral can be regular or irregular.
• The sum of all the interior angles of a quadrilateral is 360 degree.

Properties of Parallelogram

 There are six important properties of parallelograms to acknowledge:

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