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Which of the ...

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Which of the following angles in the diagram are acute?

(A) ∠A (B) ∠C (C) ∠B + ∠C (D) ∠D

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Q. In ∆ABC, ∠B = 35°, ∠C = 65° and the bisector AD of ∠BAC meets BC at D. Then, which of the following is true?
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