Question

find the length of arc whose radius is 10.5cm and central angle is 36​

Answer 1

Answer:

Arc length is

=  (θ/360°) ⋅ 2πr

Substitute r  =  10.5 and θ  =  36° and π  ≈  3.14.

≈  (36°/360°) ⋅ 2 ⋅ (3.14) ⋅ 10.5

=  (1/10) ⋅ 65.94

=  6.59

So, the length of the arc is about 6.59 cm.