user-avatar
dangthaian2106
2 năm trước
Cho tam giác ABC có tia phân giác của góc B cắt cạnh AC tại D a)Qua A kẻ đường thẳng song song với BD , đường thẳng này cắt đường thẳng BC ở E. Chứng minh AE//BD b)Qua D kẻ đường thẳng xy vuông góc với BD. Chứng minh xy vuông góc AE
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. She is often late for school. → I wish ___________________________________________ 2. They are excited about the trip to the countryside. → They are looking ___________________________________________ 3. They couldn't do anything to stop people polluting the river. → Nothing ___________________________________________ 4. We haven't met our grandparents since last summer. → The last time ___________________________________________ 5. She spends most of her time doing household chores. → It took ___________________________________________ 6. The questions are so easy that everyone can answer them. → They are such ___________________________________________ 7. The last time she went out with him was 9 months ago. → She hasn't ___________________________________________ 8. He often played the piano at night. → He used to ___________________________________________ 9. Peter always draws on the wall. → I wish ___________________________________________ 10. Lan took Maryam to Ben Thanh Market yesterday. → Maryam ___________________________________________ 11. Everyone felt tired and hungry, so they sat down under the tree and had a snack. → Because ___________________________________________ 12. He'll come to my house tonight. → I would rather ___________________________________________

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