Find the Magnitude of Vector V $\| \mathbf { v } \| = 5$

Multiple Choice

Find the magnitude of vector v.?

A) $\| \mathbf { v } \| = 5$
B) ? $\| \mathbf { v } \| = 2 \sqrt { 7 }$
C) ? $\| \mathbf { v } \| = 6$
D) ? $\| \mathbf { v } \| = 4 \sqrt { 2 }$
E) ? $\| \mathbf { v } \| = 6 \sqrt { 3 }$