A) \[75{}^\circ ,\text{ }105{}^\circ ,\text{ }75{}^\circ ,\text{ }105{}^\circ \]
B) \[72{}^\circ ,\text{ }108{}^\circ ,\text{ }72{}^\circ ,\text{ }108{}^\circ \]
C) \[68{}^\circ ,\text{ }112{}^\circ ,\text{ }68{}^\circ ,\text{ }112{}^\circ \]
D) \[58{}^\circ ,\text{ }122{}^\circ ,\text{ }58{}^\circ ,\text{ }122{}^\circ \]
E) None of these
Correct Answer: C
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