A) \[40{}^\circ ,\text{ }40{}^\circ ,\text{ }100{}^\circ \]
B) \[50{}^\circ ,\text{ }50{}^\circ ,\text{ }80{}^\circ \]
C) \[30{}^\circ ,\text{ }30{}^\circ ,\text{ }120{}^\circ \]
D) \[35{}^\circ ,\text{ }35{}^\circ ,\text{ }110{}^\circ \]
Correct Answer: B
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