CBSE: Extra questions on Chapter 9 - Areas of Parallelograms and Triangles (for CBSE Class 9 Maths exam 2020-21) are available here. These NCERT based extra questions are important for the preparation ...

There are two sorts of lines that are used to make shapes. These are curved lines. These are straight lines. A two-dimensional or 2D shape is made up of lines. Sometimes the lines are curved and ...