A) \[\text{20 }\!\!{}^\circ\!\!\text{ }\]
B) \[\text{80 }\!\!{}^\circ\!\!\text{ }\]
C) \[\text{60 }\!\!{}^\circ\!\!\text{ }\]
D) \[\text{110 }\!\!{}^\circ\!\!\text{ }\]
Correct Answer: C
Solution :
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