Given $a = 3 , b = 8$ , And $c = 6$

Multiple Choice

Given $a = 3 , b = 8$ , and $c = 6$ , use the Law of Cosines to solve the triangle for the value of $C$ . Round answer to two decimal places.

A) $60.33 ^ { \circ }$
B) $39.57 ^ { \circ }$
C) $80.44 ^ { \circ }$
D) $121.86 ^ { \circ }$
E) $18.57 ^ { \circ }$