Read and download the Chapter 11 Surface areas and Volumes PDF from the official NCERT Book for Class 9 Mathematics. Updated for the 2025-26 academic session, you can access the complete Mathematics textbook in PDF format for free.
NCERT Class 9 Mathematics Chapter 11 Surface areas and Volumes Digital Edition
For Class 9 Mathematics, this chapter in NCERT Book Class 9 Maths Surface Areas And Volumes provides a detailed overview of important concepts. We highly recommend using this text alongside the NCERT Solutions for Class 9 Mathematics to learn the exercise questions provided at the end of the chapter.
Chapter 11 Surface areas and Volumes NCERT Book Class Class 9 PDF (2025-26)
Wherever we look, usually we see solids. So far, in all our study, we have been dealing with figures that can be easily drawn on our notebooks or blackboards. These are called plane figures. We have understood what rectangles, squares and circles are, what we mean by their perimeters and areas, and how we can find them. We have learned these in earlier classes. It would be interesting to see what happens if we cut out many of these plane figures of the same shape and size from cardboard sheet and stack them up in a vertical pile. By this process, we shall obtain some solid figures (briefly called solids) such as a cuboid, a cylinder, etc. In the earlier classes, you have also learnt to find the surface areas and volumes of cuboids, cubes and cylinders. We shall now learn to find the surface areas and volumes of cuboids and cylinders in details and extend this study to some other solids such as cones and spheres.
13.2 Surface Area of a Cuboid and a Cube
Have you looked at a bundle of many sheets of paper? How does it look? Does it look like what you see in Fig. 13.1?
That makes up a cuboid. How much of brown paper would you need, if you want to cover this cuboid? Let us see:
Please refer to attached file for NCERT Class 9 Maths Surface Areas And Volumes
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Important Practice Resources for Class 9 Mathematics
NCERT Book Class 9 Mathematics Chapter 11 Surface areas and Volumes
Download the official NCERT Textbook for Class 9 Mathematics Chapter 11 Surface areas and Volumes, updated for the latest academic session. These e-books are the main textbook used by major education boards across India. All teachers and subject experts recommend the Chapter 11 Surface areas and Volumes NCERT e-textbook because exam papers for Class 9 are strictly based on the syllabus specified in these books. You can download the complete chapter in PDF format from here.
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