Question

Find the length of the arc round your answer to the nearest tenth

Answer 1

Answer:

arc ≈ 4.2 cm

Step-by-step explanation:

The length of the arc is calculated as

arc = circumference of circle × fraction of circle

     = 2πr × $\frac{60}{360}$

     = 2π × 4 × $\frac{1}{6}$

     = 8π × $\frac{1}{6}$

    = $\frac{8\pi }{6}$

    ≈ 4.2 cm ( to the nearest tenth )