surface area and volume, class 9, maths, exercise 13.6, chapter 13, NCERT textbook solution, by sudeep shaw sir, shaw study circle. exercise 13.1 • surface area and volume, class 9, exercise... exercise 13.2 • surface area and volume, class 9, maths, e... exercise 13.3 • surface area and volume, class 9, maths, e... exercise 13.4 • surface area and volume, class 9, maths, e... exercise 13.5 • surface area and volume, class 9, maths, e... exercise 13.6 • surface area and volume, class 9, maths, e...