Parallelogram Theorem 6:Line segments joining the mid-points of the opposite sides of a quadrilateral bisect each other

http://www.learncbse.in/ncert-solutions-for-class-9-maths/

In this video, we learn how to apply Congruency Rule to solve Problems on Qudrilaterals. Use parallel lines concept and triangle congruence theorems to prove/solve problems on properties of parallelograms.Understand the concept of Mid point theorem.

Reference book for the above video is

National Council of Educational Research and Training (NCERT) Book for Class 9 Subject: Maths

0:02 CBSE class 9 maths NCERT Solutions chapter 8 Quadrilaterals q6 Show that the line segments joining the mid-points of the opposite sides of a quadrilateral bisect each other.

00:59 Aim of solving problem

01:30 Analyse triangle to pull relevant imformation and apply converce of Mid point theorem.Converce of Mid point theorem states that the line drawn through the mid-point of one side of a triangle, parallel to another side bisects the third side

02:26 Use Mid point theorem

03:35 From property of Parallelogram : Opposite angels are equal & Opposite sides are equal.

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CBSE solutions for class 9 maths Quadrilaterals

CBSE class 9 maths chapter 10 Quadrilaterals

CBSE class 9 maths NCERT Solutions chapter 10 Quadrilaterals

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