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Interactive video lesson plan for: Parallelogram Theorem 4:In Quadrilaterals ,if diagonals bisect perpendicularly the it is a rhombus

Activity overview:

Parallelogram Theorem Proof 4:Diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus
http://www.learncbse.in/ncert-solutions-for-class-9-maths/
In this video we will learn how a parallelogran is a rectangle, provided diagonals of a parallelgram are equal.

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.
Reference book for the above video is
National Council of Educational Research and Training (NCERT) Book for Class 9 Subject: Maths

00:02 CBSE class 9 maths NCERT Solutions chapter 10 Quadrilaterals q3. Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.
01:13 Proof
02:26 Apply SAS congruency rule
03:57 Use SAS congruency rule
05:30 Apply Properties of Parallelogram

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learncbse.in
CBSE solutions for class 9 maths Quadrilaterals
CBSE class 9 maths chapter 10 Quadrilaterals
CBSE class 9 maths NCERT Solutions chapter 10 Quadrilaterals
Solutions for CBSE Class 9 Maths Chapter 10
NCERT solutions for class 9 maths Quadrilaterals
NCERT solutions for CBSE class 9 maths Quadrilaterals
CBSE Class 9 maths solutions Quadrilaterals

Proving that a Quadrilateral is a Parallelogram (Lesson)
Proving a Quadrilateral a Parallelogram | Geometry Proof How To Help
Proving Quadrilaterals are Parallelograms
How to prove Quadrilaterals are Parallelograms using Properties of Parallelograms
Quadrilaterals Properties of Parallelograms
parallelogram and its properties application to solve problems
parallelogram properties geometry
parallelogram geometry
characteristics of a parallelogram
Proving a parallelogram is a rectangle.

Tagged under: GyanPub,ncert solutions,Free Online Maths Class,Maths,Free ncert solutions,NCERT solutions CBSE class 9 maths Quadrilaterals,Parallelograms Quadrilaterals Properties Parallelograms,Proving Quadrilaterals Parallelograms,Proving Quadrilateral Parallelogram

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