Respuesta :

akposevictor

Answer:

C. 2π cm

Explanation:

Measure of the length of arc(QR) = θ/360 × 2πr

Where,

θ = 60°

r = 6 cm

Plug in the values

Measure of the length of arc(QR) = 60/360 × 2 × π × 6

= 1/6 × 12 × π

= 2 × π

= 2π cm