Quadrilateral

Last updated at December 5, 2025 by

[Class 8 Maths] Quadrilateral - Definition and Properties - Teachoo - Definitions

part 2 - Quadrilateral - Definitions - Chapter 4 Class 8 - Quadrilaterals (Ganita Prakash) - Class 8 (Ganita Prakash & Old NCERT)

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Transcript

QuadrilateralThe word comes from the Latin roots quadri (four) and latus (sides) A four-sided polygon is a quadrilateral A quadrilateral has 4 vertices − A, B, C, D 4 sides − AB, BC, CD, DA 4 angles − ∠A, ∠B, ∠C, ∠D Opposite sides AB & CD are opposite sides AD & BC are opposite sides Adjacent sides AB, BC are adjacent sides AB, AD are adjacent sides BC, CD are adjacent sides CD, DA are adjacent sides Opposite angles ∠A, ∠C are opposite sides ∠B, ∠D are opposite sides Adjacent angles ∠A, ∠B are adjacent angles. ∠A, ∠D are adjacent angles. ∠B, ∠C are adjacent angles. ∠C, ∠D are adjacent angles.

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 15 years. He also provides Accounts Tax GST Training in Delhi, Kerala and online.