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Your answer: 490.91 ∘
Your answer: ∢α=60°
Your answer: 60 ∘
Your answer: 30 ∘
Your answer: 100 ∘
Your answer: α= 30 ∘
Your answer: α= 20 ∘
Your answer: 110 ∘
Your answer: 50 ∘
Your answer: α+β
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