Sector of a Circle
Quick practice
Question 1 of 5
What will be the length of an arc of a sector of a circle with radius 21 cm and subtend an angle 45° at the centre?
A
18.4 cm
B
20.8 cm
C
16.5 cm
D
12.6 cm
Get unlimited practice with Foundation subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go