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# RS Aggarwal Solutions Class 8 Chapter-20 Volume and Surface Area of Solids (Ex 20C) Exercise 20.3

Last updated date: 17th Sep 2024
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## RS Aggarwal Solutions Class 8 Chapter-20 Volume and Surface Area of Solids (Ex 20C) Exercise 20.3 - Free PDF

Free PDF download of RS Aggarwal Solutions Class 8 Chapter-20 Volume and Surface Area of Solids (Ex 20C) Exercise 20.3 solved by Expert Mathematics Teachers on Vedantu.com. All Exercise 20.3 Questions with Solutions for Class 8 RS Aggarwal to help you to revise the complete syllabus and score more marks. Register for online coaching for IIT JEE (Mains & Advanced) and other engineering entrance exams.

## Class 8 Chapter-20 Volume and Surface Area of Solids

Volume and Surface Area of Solids are really important Chapters for Class 8th students. We have to know the Mathematical concepts and formulas to solve any problems related to them. We also have to know about their applications in real life, like for example its use in architecture, jewellery, packing, and so on.

Students should prepare this Chapter by knowing the definitions, formulas, and examples. The examples will help them to master the definitions, formulas, and concepts easily and quickly.

RS Aggarwal Solutions for Class 8 Chapter 20: ‘Volume and Surface Area of Solids’ Exercise 20.3 are useful for students as they learn to solve tricky problems on Volume and Surface Area of Solids in a step-by-step manner. All possible solutions to the questions have been explained in a detailed manner, with important formulae being provided too. Students can directly download the PDF files on their computer devices, tablets, or smartphones. The solutions are easy to understand and are very helpful when preparing for competitive Examinations like JEE, NEET, CAT, and other major competitive exams.

## FAQs on RS Aggarwal Solutions Class 8 Chapter-20 Volume and Surface Area of Solids (Ex 20C) Exercise 20.3

1. What is the Surface Area in Mathematics?

The surface area is a fundamental concept in Mathematics. It's a way of measuring how much space an object takes up.

The surface area is usually calculated by adding up the areas of the faces of an object. For example, for a cube, you would calculate the area of the six faces and add them together, just as you would with a rectangle or circle.

2. What is Volume in Math?

Volume is the space taken up by an object. Volume is measured in cubic units, like cubic centimetres or cubic meters.

The thing to remember: Volume is only one of the ways to measure size. For example, if you are measuring the distance between two points, you can use the formula for length. If you're measuring how much paint you need to cover a wall, you can use the formula for the area instead.

And when you are figuring out the volume, remember that it doesn't take into account how much space an object will take up when it is filled with something else. A bucket of water has a certain volume but doesn't take up very much space on its own.

3. What is the difference between Volume and Surface Area in Math?

Volume and Surface Area are two ways of measuring the size of 3D objects. Volume is how much space an object takes up, while Surface Area is the amount of space the outside of the object takes up.

Volume is useful for many problems in physics and engineering. The Surface Area is useful for problems in Chemistry, where you are trying to figure out how much material you need to coat something or what shape you want to make a container that will hold something.

4. What is the Surface Area of Solids?

The Surface Area of a solid is the sum of the areas of its surfaces. For example, a cube has six square faces, each with an area of one side times one side. The surface area is therefore 6 square sides. The sphere has a single spherical face, the area of which is four times pi and radius-squared or 4 π r2. Likewise, a cylinder has three faces, a rectangular pyramid has 5 faces, etc.

5. Why is RS Aggarwal's Math book essential for students in Class 8?

RS Aggarwal’s Class 8 Solutions is designed to help students identify their areas of strengths and weaknesses. It enables them to quickly grasp the ideas and present appropriate solutions to the problems with the wise use in the books of RS Aggarwal solutions. Because of the fact that RS Aggarwal’s solutions are explained and created by topic masters in accordance with the Board guidelines, it is an excellent tool for Exam preparation purposes.