Convert the Degree Measure to Radians $\pi .$ - $- 670 ^ { \circ }$

Multiple Choice

Convert the degree measure to radians. Leave answer as a multiple of $\pi .$
- $- 670 ^ { \circ }$

A) $- \frac { 67 \pi } { 18 }$

B) $- \frac { 67 \pi } { 36 }$

C) $- \frac { 67 \pi } { 9 }$

D) $- \frac { 31 \pi } { 18 }$