Find the Length of an Arc Intercepted by a Central $\mathrm { r } = 16.05 \mathrm {~cm}$

Find the length of an arc intercepted by a central angle in a circle of radius r. Round your answer to 1 decimal place.
- $\mathrm { r } = 16.05 \mathrm {~cm}$ .; $\theta = \frac { 4 } { 3 } \pi$ radians

A) $33.6 \mathrm {~cm}$
B) $134.5 \mathrm {~cm}$
C) $67.2 \mathrm {~cm}$
D) $21.4 \mathrm {~cm}$