Question

I need help with this question I don’t get it

Answer 1

Given

Find

Length of arc

Explanation

Length of arc is given by

$\frac{\theta}{360}\times2\pi r$

so ,

$\begin{gathered} \frac{120}{360}\times2\pi(10) \\ \\ \frac{1}{3}\times20\pi \\ \\ \frac{20\pi}{3} \end{gathered}$

Final Answer

Hence , the length of arc is

$\frac{20\pi}{3}$