Question

the angle of the sector is 30 degree and radius of the sector 21cm then the length of the ark of sector is​

Answer 1

Answer:

length of arc =titha/360*2πr

Explanation:

= 30/360*2*22/7*21

=1/12*2*462/7

= 1/6*462/7

= 1/6*66

= 11cm sq