user-avatar
phamminhduc02062003
2 năm trước
Cho tam giác ABC, điểm O là điểm cách đều 3 cạnh. Trên tia BC lấy điểm M sao cho BM=BA. Trên tia CB lấy điểm N sao cho CN=CA. Gọi D,E,F lần lượt là hình chiếu của O trên BC,CA,BA. CMR: NE=MF và tam giác MON là tam giác cân
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. “I’ll drive you to the airport. I insist,” John said to Linda John insisted ……………………………………………………………………. 2. “I’m happy you have passed the final exams. Congratulations! Jim said to me Jim congratulated ………………………………………………………………. 3. “It was nice of you to invite me to the dinner. Thank you,” Miss White said to Peter Miss White thanked …………………………………………………………..... 4. “Don’t play with the matches!” I said to Jack I warned ……………………………………………………………………… 5. “I have always wanted to be a pilot,” Paul said Paul has always dreamed of ……………………………………………………. 6. “Don’t forget to buy some milk, Andy,” said Clare Clare reminded …………………………………………………………………. 7. “You damaged my sweater, Tom,” said Ben Ben accused ………………………………………………………………….. 8. Many people feel like taking part in the Boston Marathon Many people look ……………………………………………………………. 9. “Could you possibly do me a favour?” She said to Tom She asked …………………………………………………………………….. 10. “Come and have dinner with us,” Rosy said to John Rosy invited ……………………………………………………………………. 11. “Don’t forget to post the letter,” my wife said to me My wife reminded ……………………………………………………………… 12. The man said to the boy “Don’t swim in the lake without an adult present.” The man warned ……………………………………………………………….

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