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CBSENCERT.Class8.Math.UnderstandingQuadrilateralsNCERT-2023

Understanding quadrilaterals: properties and angle sum

NCERT (CBSE)·math·Grade 8·Bloom: Analyze·Last verified: May 17, 2026

Classify polygons and quadrilaterals. Apply the angle sum property of polygons and properties of special quadrilaterals (parallelogram, rhombus, rectangle, square, kite, trapezium).

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Skills that teach this standard (1)

1 with free practice questions
Types of angles (age 13+) →
Geometry · Ages 13–14 · try 3 free questions

Concepts covered (48)

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Identify Types Of Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Classify Quadrilaterals By Sides
understandingQuadrilaterals · math · Grade 8
Identify Convex And Concave Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Calculate Angles In Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Explore Symmetry In Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Explore Special Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Understand Properties Of Parallelograms
understandingQuadrilaterals · math · Grade 8
Solve Problems With Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Determine Area Of Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Understand Cyclic Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Use The Diagonals Of Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Use Coordinate Geometry With Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Types of Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Properties of Quadrilaterals
understandingQuadrilaterals · math · Grade 8
Area of Polygons
mensuration · math · Grade 8
Calculate Area Of Parallelograms
mensuration · math · Grade 8
Calculate Area Of Trapeziums
mensuration · math · Grade 8
Understand Properties Of Shapes
mensuration · math · Grade 8
Calculate Area Of Rectangles
mensuration · math · Grade 8
Properties of Quadrilaterals
quadrilaterals · math · Grade 8
Types of Quadrilaterals
quadrilaterals · math · Grade 8
Constructing Quadrilaterals
constructions · math · Grade 8
Identify 2 D And 3 D Shapes
mensuration · math · Grade 8
Calculate Area Of Quadrilaterals
quadrilaterals · math · Grade 8
Explore Symmetry In Quadrilaterals
quadrilaterals · math · Grade 8
Understand Properties Of Parallelograms
quadrilaterals · math · Grade 8
Identify Diagonals In Quadrilaterals
quadrilaterals · math · Grade 8
Use Congruence In Quadrilaterals
quadrilaterals · math · Grade 8
Constructing A Square
constructions · math · Grade 8
Drawing Parallel Lines
constructions · math · Grade 8
Identify Types Of Angles
geometry · math · Grade 8
Identify Congruent Figures
geometry · math · Grade 8
Constructing A Rectangle
constructions · math · Grade 8
Calculate Angle Measures
geometry · math · Grade 8
Understand Parallel Lines And Transversals
geometry · math · Grade 8
Calculate Area Of Quadrilaterals
geometry · math · Grade 8
Calculate Area Of Rectangles
mensuration · math · Grade 8
Calculate Perimeter Of Rectangles
mensuration · math · Grade 8
Calculate Perimeter Of Triangles
mensuration · math · Grade 8
Solve Problems With Quadrilaterals
quadrilaterals · math · Grade 8
Identify 2 D Shapes And Properties
mensuration · math · Grade 8
Classify Quadrilaterals By Sides And Angles
quadrilaterals · math · Grade 8
Explore Transformations Of Quadrilaterals
quadrilaterals · math · Grade 8
Use Coordinate Geometry With Quadrilaterals
quadrilaterals · math · Grade 8
Understand Cyclic Quadrilaterals
quadrilaterals · math · Grade 8
Identify Types Of Quadrilaterals
quadrilaterals · math · Grade 8
Calculate Angles In Quadrilaterals
quadrilaterals · math · Grade 8
Determine Perimeter Of Quadrilaterals
quadrilaterals · math · Grade 8

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