Find a Positive Angle Less Than 360° or 2π That $639 ^ { \circ }$

Multiple Choice

Find a positive angle less than 360° or 2π that is coterminal with the given angle.
- $639 ^ { \circ }$

A) $279 ^ { \circ }$
B) $459 ^ { \circ }$
C) $319.5 ^ { \circ }$
D) $269 ^ { \circ }$