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Chapter 7 of 14
Syllabus

Quadrilaterals — Syllabus

CBSE · Class 8 · Mathematics

What Quadrilaterals covers in CBSE Class 8 Mathematics: 4 topics, for the 2026-27 session. Part of the CBSE Class 8 Mathematics syllabus.

84 questions60 flashcards9 formulas & key relations5 concepts

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4 Topics · CBSE Class 8 Mathematics · 2026-27

Topics in Quadrilaterals

1

1. Basic idea of a quadrilateral

  • The word quadrilateral comes from Latin: quadri means four and latus means sides.
  • A quadrilateral has four sides and four angles.
  • The angles of a quadrilateral are the angles between its sides.
2

2. Rectangle and square

  • A rectangle is a quadrilateral in which all angles are 90°.
  • A rectangle also has opposite sides equal.
  • The opposite sides of a rectangle are parallel.
3

3. Angle sum of a quadrilateral

  • A diagonal divides a quadrilateral into two triangles.
  • The sum of angles of a triangle is 180°.
  • So the sum of all angles in any quadrilateral is 360°.
4

4. Parallelogram

  • A parallelogram is a quadrilateral with two pairs of parallel opposite sides.
  • A parallelogram is a larger set than rectangles.
  • The diagonals of a parallelogram bisect each other.

Key Concepts

Central concept: Quadrilaterals

Meaning of quadrilateralRectanglesSquaresAngle sum of a quadrilateralParallelogramsRhombusesKitesTrapeziums

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Frequently Asked Questions

What are the important topics in Quadrilaterals for CBSE Class 8 Mathematics?
Key topics in Quadrilaterals include Basic idea of a quadrilateral, Rectangle and square, Angle sum of a quadrilateral, Parallelogram. Study these first, then practise questions on each for Class 8 exams.
How should I revise Quadrilaterals for Class 8 exams?
Learn the core ideas first, then work through the 84 practice questions on Quadrilaterals. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All CBSE Class 8 Mathematics Syllabus

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