Question

the radius of a sector is 21 cm and its central angle is 120degree. find the length of the arc . give answer correctly​

Answer 1

answer

44

explanation

circumference=2×(22/7)×r

here,r=21

so,circumference=44/7×21

=132

c of sector=(angle/360)×total c

=(120÷360)×132

=132÷3

=44

Answer 2

Ans is 44 hchlnhhknlvxpcx