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 Questions 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)
• Cuboid whose length = l, breadth = b and height = h
(a) Volume of cuboid = lbh
(b) Total surface area of cuboid = 2 ( lb + bh + hl )
(c) Lateral surface area of cuboid = 2 h (l + b)
(d) Diagonal of cuboid =√ l2 +b2 + h2
• Cube whose edge = a
(a) Volume of cube = a3
(b) Lateral Surface area = 4a2
(c) Total surface area of cube = 6a2
(d) Diagonal of cube = a 3
• Cylinder whose radius = r, height = h
(a) Volume of cylinder = πr2h
(b) Curved surface area of cylinder = 2πrh
(c) Total surface area of cylinder = 2πr (r + h)
• Cone having height = h, radius = r and slant height = l
(a) Volume of cone = 1/3πr2h
(b) Curved surface area of cone = πrl
Please refer to attached file for NCERT Class 9 Maths Surface Areas And Volumes Questions
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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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