Answer:
31.4 cm
Step-by-step explanation:
[tex]l = \frac{60 \degree}{360 \degree} \times 2\pi \: r \\ \\ = \frac{1}{6} \times 2 \times 3.14 \times 30 \\ \\ = 6.28 \times 5 \\ \\ = 31.4 \: cm[/tex]
Hence, length of arc = 31.4 cm.
