user-avatar
elimination1200
2 năm trước
Cho tam giác ABC có 3 đường phân giác trong AD BE CF đồng quy tại O. DE cắt CO tại K, DF cắt BO tại I. Từ D kẻ tia song song với AB cắt tia AI tại G, từ D kẻ tia song song với AC cắt AK tại H. Chứng minh góc ADG bằng góc ADH
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Ex 3: Reorder the words and write the sentances 1. TV / big / a / there’s. 2. new / four / there / cars / are . 3. green fields / are / there. 4. two / are / big / there / pizzas ? 5. DVD player / is /new / there / a. 6. city / beautiful / a / Hanoi / is . 7. student / Mai / new / a / is. 8. good / is / he / a / friend. 9. There / a bed / is / the corner / the room / of / in . 10 . some pictures / are / on / wall / the / there . Ex 5: Fill in the blanks with: is, are, isn’t, aren’t, do, does, where 1. In my house there __________ four bedrooms. 2. Where _______ you live, Nam? 3. How many rooms ________ there in the hotel? 4. What _______ Mrs. Brown need for the living room? 5. ________ they have the right things for the kitchen? 6. There _________ any furniture in my bedroom. I need many things. 7. There _________ any chairs in the kitchen. We need four chairs. 8. Which house ______ you want to live in - a town house or a country house?

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