Cho ABC. Vẽ tam giác đồng dạng với tam giác đó, biết tỉ số đồng dạng . Có thể dựng được bao nhiêu tam giác như thế?

Các câu hỏi liên quan

cac ban lam giup minh ,minh cho 5sao 1. The man ……………………… next to me was very nervous. ( sit) 2. Tom doesn’t enjoy …………………… at by other people. ( laugh) 3. I’d like you …………………………………… my mother. ( meet) 4. Take this street and you ………… at the bus station in 15 minutes. ( arrive) 5. He suggested ………………… around the town by bike. ( travel) 6. Would you mind ………………………… us alone? ( leave) 7. This is the first time Hoa ……………………… Tim’s family. ( meet) 8. She has a lot of novels ……………………in English. ( write) 9. That book ………………………….… by a famous writer. ( write) 10. Would you mind if I ……………………… off the TV? ( turn) 11.Would you mind if I …………………………… here? ( sit) 12. Do you mind if I ……………………your newspaper? ( borrow) 13. Would you mind …………………………… a taxi for me? ( call) 14. Do you mind if I ………………… work today? ( leave) 15. Would you mind ……………………me your name again ? ( tell) 16. We saw the new play ……………… by Tom Stoppard in the Old Vic. ( write) 17. The woman ………………next to me on the train was friendly. ( sit) 18. The information …………………… in the article is wrong. ( write) 19. The car …………………… by the mechanic was old. ( repair) 20. Would you mind if I …………………….your luggage? ( check)