If \[\angle \text{b=62 }\!\!{}^\circ\!\!\text{ }\] and \[\angle \text{c=77 }\!\!{}^\circ\!\!\text{ }\], find \[\angle \text{a}\].
A) \[\text{39 }\!\!{}^\circ\!\!\text{ }\]
B) \[\text{141 }\!\!{}^\circ\!\!\text{ }\]
C) \[\text{41 }\!\!{}^\circ\!\!\text{ }\]
D) \[\text{139 }\!\!{}^\circ\!\!\text{ }\]
Correct Answer: C
Solution :
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