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Who can help me? Please

Who can help me? Please-example-1

1 Answer

5 votes

Answer:

see explanation

Explanation:

Δ ABC is a right triangle since ∠ ABC = 60° + 30° = 90°

Δ ABD is equiangular since all 3 angles = 60°

Δ BDC is a obtuse triangle since ∠ BDC = 120°

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