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RD Sharma Class 9 Solutions Chapter 21 - Surface Area and Volume of Sphere (Ex 21.2) Exercise 21.2

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Last updated date: 04th Mar 2024
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IVSAT 2024

RD Sharma Class 9 Solutions Chapter 21 - Surface Area and Volume of Sphere (Ex 21.2) Exercise 21.2 - Free PDF

Free PDF download of RD Sharma Class 9 Solutions Chapter 21 - Surface Area and Volume of Sphere Exercise 21.2 solved by Expert Mathematics Teachers on Vedantu.com. All Chapter 21 - Surface Area and Volume of Sphere Ex 21.2 Questions with Solutions for RD Sharma Class 9 Maths to help you to revise complete Syllabus and Score More marks. Register for online coaching for IIT JEE (Mains & Advanced) and other Engineering entrance exams. You can also register Online for Class 9 Science tuition on Vedantu.com to score more marks in your examination. Vedantu is a platform that provides free CBSE Solutions (NCERT) and other study materials for students.

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How to Score good marks in Maths with RD Sharma textbook Solutions Class 9

With proper strategies and planning, one can score full marks in class 9 Maths. For this, one must do the following to score full marks in class 9 Maths.


Always be Punctual in Maths Class - Attend class lectures and listen carefully to what your teachers explain. Note down the important points and ask questions in class or discuss them with your peers. Build your concept in class. 


Prepare for Class 9 Maths Lectures Beforehand - Before going to class, be sure to read the chapter in your RD Sharma textbook of NCERT textbook. This will give you a boost in class and you will know what needs more attention. 


Read the Chapters Thoroughly - In your preparation, conceptual clarity plays a significant role in the reading and understanding of the theory, so read the theory in the textbook of RD Sharma or from NCERT.


Solve Questions - Make sure you solve all the questions given in the textbook, you can see how the numerical portion goes and gain a better understanding of the question. Solve all the solved questions from the RD Sharma class 9 textbook. Apply what you have learned to as many questions as possible.


Do Not Skip Any Part From The Chapter - It is common for students to skip some parts of the chapter assuming it is not important for the exam. However, this is the wrong strategy and you should avoid doing this. You need to make sure you don't skip any part of the chapter to score well in the exam. 


Highlight The Important Topics and Formulas - The chapters include various formals like that of an area of sphere and volume of a sphere, so while going through the chapter make sure you highlight the formulas so that you can find them easily and go through them again during revision or just before the examination. 

FAQs on RD Sharma Class 9 Solutions Chapter 21 - Surface Area and Volume of Sphere (Ex 21.2) Exercise 21.2

1. What are the benefits of Vedantu’s RD Sharma Solution for Maths Class 9?

Any material we provide at Vedantu is of superior quality and is drafted in-house by leading educators in the field. To take RD Sharma Solutions as an example, Vedantu's material provides in-depth conceptual clarity and simplified solutions. This carefully composed set of solutions are intended to ensure that students have an easy time solving them. The solutions are also a good reference for the students to use to evaluate their own answers and find their weak points. The best part about our study material is you can download the solution pdf for free and can practice from them as much as you want. 

2. Why are RD Sharma Solutions Class 9 Maths Chapter 21 important?

We encounter shapes of all sorts in our daily lives, whether it's to determine how much liquid is needed to fill a container or how large an object is. As a result, the RD Sharma Solutions Class 9 Maths Chapter 21 covers both volume calculations and surface areas in-depth, making them an excellent resource for learning about surface areas and volumes. The solutions have been prepared by scholars known for their expertise in their fields. The information on solid geometry has been compiled in an easy-to-understand fashion. The CBSE Board also highly recommends the study of RD Sharma Solutions.

3. Do I need to practice all questions provided in Class 9 Maths NCERT Solutions Surface Areas And Volume of Sphere?

As you practice Maths more, you will understand concepts better. The RD Sharma extensive collection of questions will not only inspire you to think creatively; but also enable you to successfully learn formulas and data. You will learn when and where to apply each formula. You can consider all the questions given in chapter-9 as important questions.  Thus, it is always advisable to not leave any question or topic from the textbook. In fact, you should also practice them through worksheets, sample papers and mock tests, this will help you analyze your preparation for the exam.

4. How many Questions are there in RD Sharma Solutions Class 9 Maths Chapter Surface Area and Volume of Sphere Exercise 21.2? 

Class-9 Maths chapter 21 has the most questions with each exercise containing 32 questions. The questions are based on finding the surface area of the sphere, cylinder, cone or find the diameter or the radius. Thus, there will be a variety of questions in this exercise so students must ensure that they remember the formulas associated with the chapter. Also, it is essential to practice both of the exercises several times before the examination. This way you will be able to grasp the concept and with practice, you will be able to solve the question quickly and save your time on the day of examination.

5. How can I practice Surface Area and Volume of Sphere Solutions Exercise 21.1?

You can get the solution for exercise 21.2 from Vedantu , the solutions are given in an organized and easy-to-understand format. In order to score well, it is important to complete both exercises before the examination. While doing the exercise from the book make sure you solve each and every question in your notebook, avoid doing mental calculations to solve the answer. After completing the exercise from the book, make sure you practice the questions by solving the sample papers and mock test papers.