Consider the two vectors drawn below on a Cartesian coordinate system. Take $|vec(A)|=3\mathrm{.}4,|vec(B)|=7\mathrm{.}0,=64,$ and $=52.$ Calculate the magnitude of the vector difference,

that is calculate $|vec(C)|$ if vec$(A)-$vec$(B)=$vec$(C).$

$3\mathrm{.}7$

Correct Answer: $8\mathrm{.}4$