Question

HELP (image included)

Answer 1

the angle = 20°

the radius = 27

AB Arc = (2×π×27)/360)×20=3π

Explanation:

Answer 2

3π

Explanation:

Formula

Length = rθ

Note

1. θ should be in the form of radians
2. θ should be converted into radians, if it is in the form of degrees °.

Here

r = 27

θ = 20°

Conversion of degrees to radians

(degrees × π) ÷ 180 = radians

(20° × π) ÷ 180 = π/9

Length = rθ

= 27 x π/9

= 27π/9

Length = 3π