A) \[60{}^\circ ,\text{ }40{}^\circ ,\text{ }80{}^\circ \]
B) \[20{}^\circ ,\text{ }60{}^\circ ,\text{ }100{}^\circ \]
C) \[30{}^\circ ,\text{ }90{}^\circ ,\text{ }50{}^\circ \]
D) \[30{}^\circ ,\text{ }60{}^\circ ,\text{ }90{}^\circ \]
Correct Answer: B
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