parallelogram-theorem-4in-quadrilaterals-if-diagonals-bisect-perpendicularly-the-it-is-a-rhombus

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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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.

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