user-avatar
tannguyen92
2 năm trước
Cho (O; $\frac{AB}{2}$). Trên tia AB lấy điểm D nằm ngoài đoạn AB và kẻ tiếp DC với (O). Gọi E là chân đường vuông góc hạ từ A xuống CD và F là chân đường vuông góc hạ từ D xuống AC CM: AF là tia phân giác của $\widehat{EAD}$
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

V. Choose the best answer by circling A, B, C or D: 1. "What would you like to drink now?" A. No, thanks B. Yes, please C. I like to do nothing D, Orange juice, please 2. All of us enjoy to classical music. A. listen B. listens C. listening D. listened 3. She worked very hard, she passed all her exam. A. because B. and C. so D. but 4. Hoa looks red. She was outdoors yesterday. Perhaps she has A. flu B. sunburn C. spots D. stomachache 5. My family has decided to use electricity by using more solar energy instead. A. more B. less C. much D. fewer 6. I. . playing board games interesting because I can play them with my friends. A. find B. think C. say D. tell 7. “ Would you like me to turn off your computer? -" I'll do it myself". A. No, thanks B. Yes, please C. Don't do it D. Of course 8. You like playing monopoly or chess, your hobby may be A. collecting things. B. playing sports C. dancing D. board games 9. Elena the guitar twice a week. B. will practice C. practiced D. practicing A. practices A: I don't know how to do this exercise. 10. B: Don't worry. I you: A. help B. will help C. won't help D. don't help guitar because my fingers always get hurt. C. playing 11. I hate A. play B. plays D. will play 12. Louise, you should drink water, your skin looks bad. A. less B. most C. more D. least you will be fatter A. so B. but C. and D. or 13. Stop eating fast food, 14. If you always buy flowers and put them in a vase, your hobby is B. gardening C. cooking D. arranging flowers A. bird - watching 15. My sister always gives me dolls on special occasions. B. dates A. chances C. position D. reasons 16. I think you should stop drinking icing water. The doctor said that you had A. cough B. a sore throat C. headache D. earache

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