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Special Type of Quadrilaterals — Revision Notes

ICSE · Class 8 · Mathematics

Special Type of Quadrilaterals revision notes for ICSE Class 8 Mathematics: 4 topics in quick points. Part of the ICSE Class 8 Mathematics syllabus.

53 questions27 flashcards9 formulas & key relations5 concepts

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Key Topics to Revise

1

1. Quadrilateral and Trapezium

  • A quadrilateral has four sides, four vertices, four interior angles, and two diagonals.
  • The sum of angles of a quadrilateral is 360°.
  • A trapezium is a quadrilateral in which one pair of opposite sides are parallel and the other two sides are non-parallel.
2

2. Parallelogram and Its Properties

  • A parallelogram is a quadrilateral in which both pairs of opposite sides are parallel.
  • In a parallelogram, opposite sides are equal.
  • In a parallelogram, opposite angles are equal.
3

3. Rectangle

  • A rectangle is a quadrilateral with all angles 90°.
  • A rectangle also has opposite sides equal and opposite sides parallel.
  • A parallelogram with any angle 90° is a rectangle.
4

4. Rhombus

  • A rhombus is a quadrilateral in which all the sides are equal.
  • A parallelogram with adjacent sides equal is a rhombus.
  • A parallelogram whose diagonals intersect at 90° is a rhombus.

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Full Notes

Key Concepts

A quadrilateral is a closed polygonA trapezium is a quadrilateralIn an isosceles trapeziumA parallelogram is a quadrilateralA quadrilateral is a parallelogram if

Frequently Asked Questions

What are the important topics in Special Type of Quadrilaterals for ICSE Class 8 Mathematics?
Key topics in Special Type of Quadrilaterals include Quadrilateral and Trapezium, Parallelogram and Its Properties, Rectangle, Rhombus. Study these first, then practise questions on each for Class 8 exams.
How should I revise Special Type of Quadrilaterals for Class 8 exams?
Learn the core ideas first, then work through the 53 practice questions on Special Type of 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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