CBSE Notes for Understanding Quadrilaterals Class 8 Extra Questions
This is the combination of two Latin words; Quardi + Latus. Quadri . means four and Latus means side.So, a polygon that has four sides is known as a quadrilateral. In a quadrilateral, sides are straight lines and are two dimensional. Square, rectangle, rhombus, parallelogram, etc. are the examples of quadrilateral.Formula for angle sum of a polygon = (n – 2) × 180°.Where ‘n’ is the number of sidesExample:A triangle has three sides,Thus, Angle sum of a triangle = (3 – 2) × 180° = 1 × 180° = 180° . Pleasse refer Understanding Quadrilaterals Class 8 Extra Questions for more information.
CBSE Revision Notes 