Question

Please help please giving out brainless

Answer 1

C

Explanation:

The length of arc AC (L) is calculated as

L = circumference of circle × fraction of circle

= 2πr ×
`(150)/(360)`

= 2π × 12 ×
`(5)/(12)`

= 2π × 5

= 10π ≈ 31.42 → C