NCERT class 9th Maths chapter 13 Surface Areas and Volumes notes by subject matter experts. Download a free PDF and score more marks in the exam. The NCERT Solutions for Maths class 9 Surface Area and Volume Chapter 11 , provided by Vedantu, comprehensively cover Surface Area and Volume, essential for understanding 3D geometry. Chapter 11 in Class 9 Maths introduces students to the essential concepts of surface area and volume—key tools for measuring 3D objects. Surface area refers to the total space covering a solid shape, while volume measures the space it occupies. Chapter-wise NCERT Solutions for Class 9 Maths Chapter 13 Surface Areas and Volumes solved by Expert Teachers as per NCERT (CBSE) Book guidelines. CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks.