Cho tam giác ABC cân tại A, góc A tù. Trên cạnh BC lấy điểm D, trên tia đối của tia CB lấy điểm E sao cho BD=CE . Trên tia đối của tia CA lấy điểm I sao cho CI = CA. Từ D và E kẻ các đường thẳng cùng vuông góc với BC cắt AB; AI theo thứ tự tại M và N. 1. Chứng minh: . ΔABD=ΔICE 2. Chứng minh rằng chu vi tam giác ABC nhỏ hơn chu vi tam giác AMN. Mn giúp em vs em cần gấp có vẽ hình

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giup mk voi a!!! tuy nhieu nhung viet ra vo cx dc! 1. I’m sorry now that I can’t tell her about this.  Now I wish . . . . . . . . . . . . . . . . . . . . . . . . . 2. She won’t visit me again. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3. I’m sorry that he isn’t with us now. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4. I’m sorry that I can’t finish my homework .  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. What a pity! You have to leave now. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. John can’t join in the trip as he promised. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7. My father can’t speak English fluently I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8. She is sorry that she doesn’t take part in cooking class.  She wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9. I’m afraid that we don’t have enough money to buy that little house.  We wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10. Maria will not be able to join our trip tomorrow  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11. What a pity Mary doesn’t understand me  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . 12. I ‘m sorry . I can’t see you off at the airport  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13. I regret going out alone at the night.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14. It’s a pity my teacher isn’t here to give us some advice. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15. There are a lot of lessons and homework.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16. Mrs Taylor would like to be on the beach now  Mrs Taylors wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 17. He is sad because he doesn’t have a new bike  He wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18. It’s a pity I don’t take my doctor’s advice.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19. I’m afraid that I don’t have time to listen to you.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20. I’m sorry that I can’t help you with this.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21. He doesn’t like living in such a small house  He wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22. What a pity the weather isn’t fine today.  I wish........................................................ 23. I haven’t enough money to buy this book.  If only...................................................... 24. I’m afraid he won’t get over his illness soon.  I wish...................................................... 25. I live in a big city, but I don’t like it.  I wish...................................................... 26. I can’t take the trip to Hanoi with her next summer.  I wish...................................................... 27. Mary is afraid she won’t be able to attend your wedding next week.  I wish...................................................... 28. I will have to leave here tomorrow.-> 29. It won’t rain tomorrow. 30. They will build a factory here so the air in the city will be polluted. -> If only they…………………………………………………………………………. 31. It’s a pity, my parents won’t visit HL bay with us next week ->If only………………………………………………… 32. I regret that you weren’t here yesterday.  I wish . . . . . . . . . . . . 33. If only I didn’t get such bad marks.  I WISH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34. We had to cancel the match.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35. I regret not going to airport to say goodbye her.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36. She is sorry that she told you the best news.  She wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37. I’m sorry that I didn’t finish my homework last night.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38. What a pity! You failed your driving test.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39. I’m sorry now that I asked her to say.  Now I wish . . . . . . . . . . . . . . .