Question No. 5, Exercise 11.1, Chapter - Areas Related To Circles, Maths, Class-X, NCERT.

Question No. 5, Exercise 11.1, Chapter - Areas Related To Circles, Maths, Class-X, NCERT.

In a circle of radius 21 cm an arc subtends an angle of 60° at the centre. Find : (i) the length of the arc. (ii) area of the sector formed by the arc. (iii) area of segment formed by the corresponding chord.