Convert the Degree Measure to Radians $\pi .$ - $36 ^ { \circ }$

Convert the degree measure to radians. Leave answer as a multiple of $\pi .$
- $36 ^ { \circ }$

A) $\frac { \pi } { 4 }$

B) $\frac { \pi } { 7 }$

C) $\frac { \pi } { 5 }$

D) $\frac { \pi } { 6 }$