The Figure Shows Four Vectors $\overrightarrow { \mathrm { A } }$

Multiple Choice

The figure shows four vectors, $\overrightarrow { \mathrm { A } }$ , $\overrightarrow { \mathrm { B } }$ , $\overrightarrow { \mathrm { C } }$ , and $\overrightarrow { \mathrm { D } }$ , having magnitudes 12.0 m, 10.0 m, 8.0 m, and 4.0 m, respectively. The sum of these four vectors is

A) 16.4 m at an angle 77.8° with respect to +x-axis.
B) 16.4 m at an angle 12.3° with respect to +x-axis.
C) 19.5 m at an angle 77.8° with respect to +x-axis.
D) 19.5 m at an angle 12.3° with respect to +x-axis.
E) 8.20 m at an angle 77.8° with respect to +x-axis.