RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 18. Area of Circle, Sector and Segment

Subject: Maths - Class 10th

Q. No. 6 of Exercise 18A

Listen NCERT Audio Books to boost your productivity and retention power by 2X.


Find the length of the arc of a circle of diameter 42 cm which subtends an angle of 60° at the centre.


Diameter of circle = 42 cm

Radius of circle = cm = 21 cm

Angle subtended at the centre = 60°

Length of arc = × 2πr


= 22 cm

Hence, the length of the arc is 22 cm.

Chapter Exercises

More Exercise Questions