Quadrilaterals class 9 Notes Mathematics

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CBSE class 9 Mathematics Chapter 8 Quadrilaterals notes in PDF are available for free download in myCBSEguide mobile app. The best app for CBSE students now provides Quadrilaterals class 9 Notes latest chapter wise notes for quick preparation of CBSE exams and school based annual examinations. Class 9 Mathematics notes on Chapter 8 Quadrilaterals are also available for download in CBSE Guide website.

CBSE Guide Quadrilaterals class 9 Notes

CBSE guide notes are the comprehensive notes which covers the latest syllabus of CBSE and NCERT. It includes all the topics given in NCERT class 9 Mathematics text book. Users can download CBSE guide quick revision notes from myCBSEguide mobile app and my CBSE guide website.

9 Mathematics notes Chapter 8 Quadrilaterals

Download CBSE class 9th revision notes for Chapter 8 Quadrilaterals in PDF format for free. Download revision notes for Quadrilaterals class 9 Notes and score high in exams. These are the Quadrilaterals class 9 Notes prepared by team of expert teachers. The revision notes help you revise the whole chapter in minutes. Revising notes in exam days is on of the best tips recommended by teachers during exam days.

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CBSE Class 09 Mathematics
Revision Notes
CHAPTER 8
QUADRILATERALS

  • Angle Sum Property of a Quadrilaterals
  • Types of Quadrilaterals
  • Properties of a Parallelogram
  • The Mid-point Theorem
  1. Sum of the  all angles of a quadrilateral is
  2. A diagonals of a parallelogram divides it into two congruent triangles.
  3. In a parallelogram
  • diagonals bisects each other.
  • opposite angles are equal.
  • opposite sides are equal

(4) Diagonals of a square bisects each other at right angles and are equal, and vice-versa.
(5) A line through the mid-point of a side of a triangle parallel to another side bisects the third side. (Mid point theorem)
(6)The line segment joining the mid-points of two sides of a triangle is parallel to the third side and equal to half the third side.
(7) In a parallelogram, the bisectors of any two consecutive angles intersect at right angle.
(8) If a diagonal of a parallelogram bisect one of the angles of a parallelogram it also bisects the second angle.
(9) The angle bisectors of a parallelogram form a rectangle.
(10) Each of the four angles of a rectangle is right angle.
(11) The diagonals of a rhombus are perpendicular to each other.

Quadrilaterals class 9 Notes

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CBSE Class-9 Revision Notes and Key Points

Quadrilaterals class 9 Notes. CBSE quick revision note for Class-9 Mathematics, Chemistry, Maths, Biology and other subject are very helpful to revise the whole syllabus during exam days. The revision notes covers all important formulas and concepts given in the chapter. Even if you wish to have an overview of a chapter, quick revision notes are here to do if for you. These notes will certainly save your time during stressful exam days.

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