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RS Aggarwal Class 9 Solutions Chapter-15 Volume and Surface Area of Solids

RS Aggarwal Solutions

RS Aggarwal Class 9 Solutions Chapter-15 Volume and Surface Area of Solids

Last updated date: 20th Apr 2024

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Class 9 RS Aggarwal Chapter-15 Volume and Surface Area of Solids Solutions - Free PDF Download

Class 9 plays an essential role as it is the first higher class in the students' lives, and it also adds some weightage to the class 10 academics. Most of the chapters of class 9th are extended for advanced learning in class 10th.

Among all the subjects, Maths is a more difficult one, thus requires more practice. Chapter 15 Maths Class 9 RS Aggarwal is a vast subject, and it involves several important concepts for the students. This part of mensuration, Volume, and Surface Area of Solids Class 9, RS Aggarwal solutions act as a building stone for the vast topic of mensuration of class 10th syllabus.

Vedantu offers RS Aggarwal Maths Class 9 solutions chapter 15 for the students of CBSE, to help them get a better learning resource and score well in their examinations. The students must practice well for every concept involved in class 9th curriculum, as they are also helpful in several competitive studies. Also, revise and solve the important questions for the Class 9 Maths (RS Aggarwal) exam using the updated NCERT Book Solutions provided by us. You can download NCERT Solutions Class 9 Maths and NCERT Solution for Class 9 Science to help you to revise the complete Syllabus and score more marks in your examinations.

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RS Aggarwal Solutions Class 9 Maths Ch 15 – PDF

Students can visit the Vedantu website to access the PDF version of precisely designed RS Aggarwal Class 9 Maths Chapter 15 solutions to better understand the concepts and the best practice for the examinations.

The solids involved in the chapter are cubes, cuboids, cones, cylinders, and spheres, and the different formulas related to the surface areas and volumes of these solids. The entire chapter is divided into four exercises, and the concepts involved in them are as follows:

Cubes and their surface area and Volume
Cuboid and it's surface area and Volume
Surface area and Volume of cylinders
Surface area and Volume of cones
Surface area and Volume of spheres and hemispheres
Spherical shell
Right circular cone

Class 9 Maths RS Aggarwal solutions chapter 15 are available in an easily accessible PDF version, ensuring that the students can access them anytime and get a better reference during the practice time.

Importance of Maths Class 9 RS Aggarwal Chapter 15 Solution

Volume and surface area of solids class 9 RS Aggarwal solutions are essential for the students' preparation. The chapter is a vast one, and also the foundation for the class 10th Mensuration chapter. The students need to keep RS Aggarwal solutions class 9 Maths Chapter 15, because:

RS Aggarwal Maths Class 9 solutions chapter 15 contains all the solutions in a detailed manner. There are explanations available in a sequential way, making sure that they are easily understandable.
These are important to help the students get a better preparation and thus score better in examinations. It offers an extra dose of preparation and study materials for the students.
RS Aggarwal Maths Class 9 solutions Chapter 15 are available in PDF version, ensuring that the students can easily access them on any device, and use them whenever required.
Using the solutions also adds more confidence in the students.

Preparation Tips for RS Aggarwal Class 9 Maths Chapter 15

While starting with the preparation, the students must first begin arranging all the necessary study materials after taking references from the syllabus.
The students must then start by practicing while considering the solutions to check for the right way to solve the problems.
Further, they must use the learned practice and apply it to solving other questions related to similar concepts.

Conclusion

RS Aggarwal solutions class 9 Maths Chapter 15 is essential for the students to help them get better prepared for the school examinations and the competitive examinations. Referring to RS Aggarwal Maths Class 9 solutions, chapter 15 helps the students confidently prepare the topics and then pass the tests with flying colors. All the students aiming to score well and understand every concept deeply about mensuration in class 9th must refer to RS Aggarwal Class 9 Maths Chapter 15.

FAQs on RS Aggarwal Class 9 Solutions Chapter-15 Volume and Surface Area of Solids

1. What are the Essential Formulas Involved in Volume and Surface Area of Solids Class 9 RS Aggarwal Solutions?

Volume and Surface Area of Solids Class 9 involve several important formulas related to different solids. The major formulas involved in the chapter are as follows:

Total surface area of Cuboid = 2(lb+bh+hl)
Lateral surface area of cuboid = 2h(l+b)
The total surface area of cube = 6a²
The lateral surface area of cube = 4a²
The curved surface area of cylinder = 2πrh
Total surface area of cylinder = 2πr(r+h)
Slant height of cone: l² = h² + r²
The curved surface area of cone = πrl
Total surface area of right circular cone = πr(r+l)
The surface area of Sphere = 4πr²
The volume of cuboid = lbh
The volume of cube = a³
Volume of cylinder = πr²h
The volume of right circular cone = (1/3) πr²h
The volume of sphere = (4/3) πr³

2. What is the Weightage of RS Aggarwal Class 9 Maths Chapter 15 in the Final Examinations?

Surface area and Volume is a vital subpart of the unit Mensuration of Class 9th NCERT syllabus. According to the experts' analysis, the chapter requires 12 periods for the completion of all the involved concepts and is a vast one with several important concepts.

Mensuration carries a marks weightage of 13 marks out of 80 marks of the final examination papers.

3. What do you Understand by Surface Area and Volume? Write the Crucial Topics Involved in Chapter 15, Maths Class 9 RS Aggarwal.

Total Surface area refers to the sum of the areas of all the faces of a solid. Lateral surface area refers to the sum of areas of all the sides of a solid, excluding its top and base. The Volume of a solid is the capacity of it. It means the amount of space that the solid contains or is capable of holding.

The essential topics involved in Chapter 15 of RS Aggarwal Maths Class 9th are as follows:

Cubes and their surface area and Volume
Cuboid and its surface area and Volume
Surface area and Volume of cylinders
Surface area and Volume of cones
Surface area and Volume of spheres and hemispheres
Spherical shell
Right circular cone

4. Where are all the solution sets of Class 9 RS Aggarwal available?

The solution sets of Class 9 RS Aggarwal are available on the Vedantu website or app. Not only solution sets but also important questions, practice questions, revision notes, etc. are available. The best thing is, all these resources are available for free! Students just have to download them from the website or app. These are prepared by subject experts, so the notes are absolutely correct and reliable. These will be very helpful for the students in exams.

5. Why is the Class 9 RS Aggarwal book so important

Class 9 RS Aggarwal book is very important as it has detailed descriptions and explanations of all the concepts in each chapter, solved examples which will give students a better idea about their understanding of the chapter, and unsolved questions which will help the students understand whether they have actually understood all the concepts or not. By following this book, students will have a clear and concise idea about the chapters in the book.