Question

[Linh Đan]

Cho Δ ABC cân tại A, góc A bằng 90° . Cho D là điểm nằm trong tam giác ABC sao cho góc DBC bằng 10°, DCB bằng 30°. Tính góc BAD.

Answer 1

[Nguyen Thuy Van]

I study in a very comfortable school. It has a lot of things: swimming pool, music club, each class has an air conditioner, students can eat things in the backyard cafeteria, soccer court, basketball court, Fully equipped labs...I love my school.

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