Chapter 15 Visualising Solid Shapes Exercise 15.2 Class 7 Maths NCERT Solutions is very useful for students in solving difficult problems in the exercise. Class 7 Maths can be used to prepare yourself better for examination purpose. It will be useful in clearing your doubts and completing homework in no time. In Exercise 15.2, you need to use isometric dot paper and make an isometric sketch and other things.