user-avatar
hoangthaochi2001
2 năm trước
cho tam giác ABC vuống tại A có AB = 15 cm ; BC = 25,AH là đường cao của tam giác ABC (H thuộc BC) BM là phân giác của góc ABC gọi N là giao điểm của BM và AH a) cm tam giác ABC đồng dạng tam giác HBA tính AH b) cm BM.Nh=BN.AM c) cm NH trên NA = MA trên MC d) tính s tam giác ABN
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Give the correct form of the words in brackets to complete the following sentences. 1. Some of the group members began to lose ____________ in the project. (INTERESTING) 2. The ______________ between the two teams can be noticed by everyone. (HATE) 3. The newly ______________ couple will soon go on their honeymoon. (MARRY) 4. Many ______________ are going to attend the interview. (APPLY) 5. His ______________ reply earned the judge’s approval. (SATISFY) 6. His ______________ attitude annoyed all of us. (THINK) 7. The ______________ discussion didn’t finish until noon. (LONG) 8. The new window will come out in various ______________. (WIDE) 9. The director suffered from a nervous ______________ due to too much work pressure. (BREAK) 10. His good ________________ earned him respect among his staff. (LEAD)

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