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RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4

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Last updated date: 18th Jul 2024
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Preparation with RD Sharma Class 8 Solutions Chapter 21

Are you finding solving Exercise 21.4 of RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube challenging? We understand that many students struggle with the formulas associated with these 3D geometrical figures. Therefore Vedantu has brought, RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4-free pdf. 


You can Download a free PDF Download of RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube Exercise 21.4 solved by Subject Matter Experts of Vedantu. All questions of Chapter 21 - Volumes Surface Area Cuboid Cube Ex 21.4 with Solutions for RD Sharma Class 8 Maths are made available to you to help you to revise the complete Syllabus and Score excellent marks. 

How to Approach RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4?

There are various ways of approaching any topic in maths as it differs from learner to learner. Here we are providing you with the very basic and the easiest way of approaching RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4:

  • First and foremost cover NCERT  Class 8 Maths Chapter 11 - Mensuration. Exercise 11.3 of this chapter deals with basic formulas of surface areas of cube and cuboid. 

  • After this cover these concepts from RD Sharma’s book

  • Then solve this particular exercise. 


This strategy will ensure your concepts and formulae get revised twice and you get enough to practise to score excellent marks in the exam.

FAQs on RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4

1. From where can I download RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4 for free?

You can download Exercise 21.4 of RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube from Vedantu’s mobile application which is available across all the devices. You can also download it from Vedantu's official website. You only need to provide your contact details to complete the sign-up process. The process has been designed in such a way that it takes less than 5 minutes to be completed. After completing the sign-up process you will be given access to download this pdf as well as other free study material of Vedantu. All the materials are prepared by Vedantu's subject matter experts. 

2.How important is RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4?

Exercise 21.4 of RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube holds a lot of significance in Class 8 mathematics. You can expect at least one question in the exam. This exercise talks about the very basic concept of the area and volume of cuboids and cubes. These are geometrical figures that have very wide application in higher standards as well. This exercise introduces students to the formulae of surface area and volume of cube and cuboid. These are to be remembered by the students in the long run.  

3. Can I skip a few questions from the RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4?

Exercise 21.4 (Ex 21.4) of RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube deals with problems on Cubes and Cuboids. These are very fundamental geometrical figures and you will be expected to know their various associated formulas in the higher standards. Skipping questions from this exercise may hamper your practice and also your conceptual understanding of the topic overall. Thus to ensure you score excellent marks in the Class 8 maths exam as well as perform well in higher standards do not skip any problem from this exercise. 

4. What shapes and related concepts have been covered in RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4?

As the name suggests RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4 deals with surface area and volumes of Cube and Cuboid. These are two geometric figures which often tend to confuse students. To do away with this confusion it is important to solve this exercise. This exercise also discusses formulas of their surface areas and volumes. These formulas are to be understood and remembered forever by the students. The only way to ensure this is to practice-related problems as many as possible.

5.Is RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube (Ex 21.4) Exercise 21.4 helpful in further studies?

Yes, your assumption is absolutely correct. Exercise 21.4 of RD Sharma Class 8 Solutions Chapter 21 - Volumes Surface Area Cuboid Cube is extremely important in higher standards. This exercise doesn’t just hold significance in maths but also in other advanced subjects like Physics as well. You will also encounter problems where many geometrical figures will be dealt with simultaneously in higher classes, there it would be essential for you to know these formulas. Solving this exercise will ensure these formulas become a part of your long-term memory. Thus, devote enough time to solving this exercise to ripe its benefits not just now but also in the future.