Some important points to revise from the chapter are: Some of Euclid’s axioms are: (1) Things which are equal to the same thing are equal to one another. (2) If equals are added to equals, the wholes ...

Arc length is a fraction of circumference. Area of a sector is a fractions of the area of a circle. Both can be calculated using the angle at the centre and the diameter or radius. Practice circle ...

The NCERT textbooks are the go-to study resource for most students in India. These books are prescribed by schools due to their lucid and easy-to-understand language, relevant examples, practice ...