Download CBSE Class 9 Mathematics Area Of Parallelograms Notes in PDF format. All Revision notes for Class 9 Mathematics have been designed as per the latest syllabus and updated chapters given in your textbook for Mathematics in Class 9. Our teachers have designed these concept notes for the benefit of Class 9 students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Class 9 Mathematics for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Class 9 Mathematics given on studiestoday
Revision Notes for Class 9 Mathematics Chapter 9 Areas Of Parallelograms and Triangles
Class 9 Mathematics students should refer to the following concepts and notes for Chapter 9 Areas Of Parallelograms and Triangles in Class 9. These exam notes for Class 9 Mathematics will be very useful for upcoming class tests and examinations and help you to score good marks
Chapter 9 Areas Of Parallelograms and Triangles Notes Class 9 Mathematics
CBSE Class 9 Concepts for Area of Parallelograms. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations.
Chapter 9
Area of Parallelograms and Triangles Quadrilaterals
Chapter Notes
Top Definitions
1. Any side of a parallelogram is called the base.
2. The length of perpendicular drawn from any point form the parallel sides to the base is called the (corresponding) altitude or height.
3. The part of the plane enclosed by a simple closed figure is called a planar region corresponding to that figure.
4. The magnitude or measure of that planar region is called its area.
5. Two figures are called congruent, if they have the same shape and the same size.
6. Area of a figure is a number (in same unit) associated with the part of the plane enclosed by the two properties.
Top Concepts
1. If two figures A and B are congruent, they must have equal areas.
2. Two figures having equal areas need not be congruent.
3. If a planner region formed by a figure T is mad up of two non – overlapping planner regions formed by figures P and Q, then ar(T) = ar(P) + ar(Q).
4. Two figures are said to be on the same base and between the same parallels, if they have a common base (side) and the vertices (or the vertex) opposite to the common base of each figure lie on a line parallel to the base.
5. Parallelograms on the same base and between the same parallels are equal in area.
6. Area of a parallelogram is the product of its any side and the corresponding altitude.
7. Parallelograms on the same base or equal bases and between the same parallels are equal in area.
8. Parallelograms on the same base (or equal bases) and having equal areas lie between the same parallels.
9. Two triangles on the same base (or equal base) and between the same parallel are equal in area.
10. Area of triangle is half the product of its base (or any side) and the corresponding altitude (or height).
11. Two triangles with same base (or equal bases) and equal areas will have equal corresponding altitudes.
12. Two triangles having the same base (or equal bases) and equal areas lie between the same parallels.
13. Parallelograms on the same base (or equal bases) and having equal areas lie between the same parallels.
14. A median of a triangle divides it into triangles of equal areas.
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CBSE Class 9 Mathematics Chapter 9 Areas Of Parallelograms and Triangles Notes
We hope you liked the above notes for topic Chapter 9 Areas Of Parallelograms and Triangles which has been designed as per the latest syllabus for Class 9 Mathematics released by CBSE. Students of Class 9 should download and practice the above notes for Class 9 Mathematics regularly. All revision notes have been designed for Mathematics by referring to the most important topics which the students should learn to get better marks in examinations. Studiestoday is the best website for Class 9 students to download all latest study material.
Notes for Mathematics CBSE Class 9 Chapter 9 Areas Of Parallelograms and Triangles
Our team of expert teachers have referred to the NCERT book for Class 9 Mathematics to design the Mathematics Class 9 notes. If you read the concepts and revision notes for one chapter daily, students will get higher marks in Class 9 exams this year. Daily revision of Mathematics course notes and related study material will help you to have a better understanding of all concepts and also clear all your doubts. You can download all Revision notes for Class 9 Mathematics also from www.studiestoday.com absolutely free of cost in Pdf format. After reading the notes which have been developed as per the latest books also refer to the NCERT solutions for Class 9 Mathematics provided by our teachers
Chapter 9 Areas Of Parallelograms and Triangles Notes for Mathematics CBSE Class 9
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Chapter 9 Areas Of Parallelograms and Triangles CBSE Class 9 Mathematics Notes
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Notes for CBSE Mathematics Class 9 Chapter 9 Areas Of Parallelograms and Triangles
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