Assume That the Given Angles Have Been Measured As $\angle A = 20 ^ { \circ }$

Multiple Choice

Assume that the given angles have been measured as $\angle A = 20 ^ { \circ }$ and $\angle B = 118 ^ { \circ }$ . Calculate the angle, x , that could not be found by direct measurement.

A) $\angle x = 42 ^ { \circ }$
B) $\angle x = 70 ^ { \circ }$
C) $\angle x = 222 ^ { \circ }$
D) $\angle x = 98 ^ { \circ }$
E) $\angle x = 20 ^ { \circ }$