user-avatar
doquyendl4
2 năm trước
cho tam giác ABC cân tại A có 2 đường cao AH và BI cắt nhau tại O. Tia BI cắt đường phân giác ngoài của góc A tại M.Cmr: a.tam giác AIO ~ BHO. b.AM//BC. c.AM mũ 2 = OM.IM. Giải và vẽ hình nữa nhé.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Miss Darby was one of those people who never threw anything away. “You never know when you might need it” was (1) ...................................... of her favorite sayings. She lived (2) ...................................... herself in a large Victorian house across the road from us. Although I never went to her house, I knew it was full (3) ...................................... antique furniture, Persian carpets and so on. In every room, there were dozens of paintings so that her house was (4) ...................................... an art gallery. I remember my father (5) ...................................... that she was a “ Staffordshire Darby” but I had (6) ...................................... idea what he meant. I (7) ...................................... out years later that the Darby family had made their money from coal-mining in Staffordshire. We used to make up stories (8) ...................................... her. My sister Alice, (9) ...................................... was a romantic girl, told us that Miss Darby once had a lover, but he walked out one day and she (10) ...................................... saw him again!

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team