Find the Magnitude and Direction Angle for the Following Vector $\langle - 10,10 \sqrt { 3 } \rangle$

Multiple Choice

Find the magnitude and direction angle for the following vector. Give the direction angle as an angle in [0°, 360°) rounded to the nearest tenth.
- $\langle - 10,10 \sqrt { 3 } \rangle$

A) $20,240 ^ { \circ }$
B) $20,120 ^ { \circ }$
C) $30,300 ^ { \circ }$
D) $30,240 ^ { \circ }$