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RD Sharma Class 8 Maths Solutions Chapter 20 - Mensuration I

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Last updated date: 26th Feb 2024
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RD Sharma Solutions for Class 8 Maths - Mensuration I - Free PDF Download

Free PDF download of RD Sharma Solutions for Class 8 Maths Chapter 20 - Mensuration I (Area of a Trapezium and a Polygon) solved by Expert Mathematics Teachers on Vedantu. All Chapter 20 - Mensuration I (Area of a Trapezium and a Polygon) Exercise Questions with Solutions provided in Vedantu help you to revise the complete Syllabus and score more marks.

 

Register Online for RD Sharma Class 8 Maths tuition on Vedantu to score more marks in the CBSE board examination. Every RD Sharma Solution is provided to make your study simple and interesting on Vedantu. Vedantu is the No.1 Online Tutoring Company in India. You can download a Free PDF of RD Sharma Solutions for Class 8 Maths for all chapters solved by Expert Teachers as per updated CBSE guidelines. All Chapter wise Questions with Solutions to help you to revise the complete Syllabus and Score More marks in your examinations.

 

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Class 8 RD Sharma Textbook Solutions Chapter 20 - Mensuration I (Area of a Trapezium and a Polygon)

In this Chapter 20 - Mensuration I (Area of a Trapezium and a Polygon), several exercise questions with solutions for RD Sharma Class 8 Maths are given to help the students and understand the concepts better. 

 

We have provided step-by-step solutions for all exercise questions given in the pdf of Class 8 RD Sharma Chapter 20 - Mensuration I (Area of a Trapezium and a Polygon). All the Exercise questions with solutions in Chapter 20 - Mensuration I (Area of a Trapezium and a Polygon) are given below:

  • Exercise 20.1

  • Exercise 20.2

  • Exercise 20.3

 

Concepts in R.D. Sharma Maths Solution for Class 8- Chapter 20- Mensuration I

As a student of Class 8, you have already learned about perimeters and areas of various plane figures such as squares, rectangles, parallelograms, rhombuses, triangles, etc. In this chapter, you will study various methods of finding the area of a trapezium. You will also learn how to find areas of regular and non-regular polygons by using the formulae for the area of a triangle and that of a trapezium.


You know that the part of the plane enclosed by a simple closed rectilinear figure is called the region enclosed by it and the measurement of the region is known as its area. Area of a Trapezium, Area of a General Quadrilateral, Area of a Polygon, Plane Figures, and Solid Shapes are some of the concepts discussed in RD Sharma Class 8 Maths Chapter 20.


The area of the region enclosed by a square of 1 cm is called a square centimeter and is written as 1cm. A square centimeter is a standard unit of area. Other standard units of area are: square meter (m²), square decimetre (dm), square decametre (dam) or an are, square hectometre (hm), or a hectare, square kilometer (km²), etc.


Do not worry if all of it sounds confusing to you because Vedantu has got you covered. Whenever you feel like having a doubt, just visit the Vedantu website or the Vedantu app. Here, you can find solutions for all the Class 8 exercises of all the chapters. Other than that you can also get revision notes for Class 8 or any other class. And the best part about Vedantu is that it is free and you pay nothing to access all of these study materials.


Using RD Sharma Class 8 solutions may ease Exam preparation by giving the exercise solutions organized chapter-by-chapter and step-by-step. The questions in RD Sharma Solutions are crucial ones that might come up in the final exam. The majority of CBSE Class 8 students select RD Sharma Textbook Solutions to improve their test scores.


At Vedantu, students can also get Class 8 Maths Revision Notes, Formula, and Important Questions, and also students can refer to the complete Syllabus for Class 8 Maths, Sample Paper, and Previous Year Question Paper to prepare for their exams to score more marks.

FAQs on RD Sharma Class 8 Maths Solutions Chapter 20 - Mensuration I

1. How to score well in CBSE Class 8 Maths exam?

As a student of Class 8, you should have the vision to score well on your boards that are not much far away, and to do so, you should start preparing and working on your studies in your current class from now onwards. For you to perform great in your studies and to score well on your boards, Vedantu has many resources to help you achieve that. You can study with R.D. Sharma to have a better understanding, solve all the questions and then visit the Vedantu website to clear your doubts through the resources available there.

2. Why choose Vedantu for RD Sharma Class 8?

Vedantu is a vast library of study resources of all the boards. It is not just about study materials, revision notes, etc, but also has solutions to all the questions in your books. Not just that, you can have a one-on-one session with the teacher who will be solving just your doubts and be teaching you only at that moment, this helps the student to be focused on what he or she may be learning. Moreover, it has monthly tuition and exam-focused classes too. Considering all these facts, we say Vedantu is the best resource for RD Sharma Class 8.

3. Will R.D. Sharma’s Class 8 Maths solutions help score good marks on Boards?

Yes, R.D. Sharma is considered to be one of the best books for maths in all classes along with some other books as well. Students from all levels study from this book as it helps them to do extremely well in their exams because of its easy language, different and effective questions, illustrative examples to guide students through the questions and the most important part is that the book is made with the focus on exams only from students’ perspective. Therefore, choosing R.D. Sharma’s Class 8 Maths solutions help score good marks on Boards.

4. What are the important points to remember in RD Sharma Class 8 Chapter 20?

The important points to remember in RD Sharma Class 8 Chapter 20 are: 

  • The area of a trapezium is half the sum of all parallel sides multiplied by the distance between the parallel sides.

  • A polygon is a closed shape made up of three or more line segments (sides), each of which meets precisely two other line segments at its endpoints (vertices). No two intersecting line segments are collinear.

  • A polygon is termed a convex polygon if the line enclosing it contains all of the remaining vertices on the same side as the polygon.

  • If all of the sides and angles of a convex polygon are equal, it is termed a regular polygon.

5. Where can I find the formulas for this chapter?

Formulas can be found anywhere; in your books, on the internet, etc. Vedantu has a dedicated webpage for all the mensuration formulas that you may require anytime. All the formulas are concise at a place and you can just visit the website whenever you want. Vedantu provides all formulas of different concepts like trigonometry, geometry, algebra, etc. in Maths. You can go to Vedantu’s official website and refer to the required concept formulas whenever you want.