Find the Magnitude and Direction Angle (To the Nearest Tenth) $\langle 10,10 \rangle$

Multiple Choice

Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as
an angle in [0,360°].
- $\langle 10,10 \rangle$

A) $10 \sqrt { 2 } ; 45 ^ { \circ }$
B) $20 ; 45 ^ { \circ }$
C) $10 ; 225 ^ { \circ }$
D) $10 \sqrt { 2 } ; 225 ^ { \circ }$