user-avatar
namhp7
2 năm trước
Cho tam giác ABC cân tại A.kẻ đường AH .biết AB=10cm,BH=6cm a) tính AH b)chứng minh Tam giác ABH = tam giác ACH c)trên tia đối HA lấy E sao cho HA=HE.chứng minh tam giác AHD=tam giác CHE d) chứng minh AH là trung trực của BC
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1.The waiter by _____ we were served expected a large tip. A. who B. whom C. that D. whose 2.The hotel in _____ we stayed during our holidays was comfortable. A. it B. that C. which D. where 3. Have you ever met the girl ______ over there? A. sits B. sitting C. is sitting D. who she is sitting 4. The game ______ was difficult to understand. A. which played B. which we played it C. played by us D. we played 5. The letter ______ to the editor was very long. A. he wrote B. he wrote it C. which wrote D. which he wrote it 6. My friend _____ is a doctor has just had an operation. A. her husband B. whom C. whose husband D. whom her husband 7. The woman _____ I spoke told me to wait in the hall. A. who B. whom C. that D. to whom 8. Do you know the first person ______ the South Pole? A. reached B. reach C. to reach D. that reaching 9. She rang at midnight, _____ was a very annoying time. A. that B. which C. when D. what 10. A person _____ is a lecturer. A. who teaches at a university B. who at the university teaches C. teaches at the university who D. whom teaches at the university

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