Cho tma giác ABC vuông tại A có AB = 3cm, BC = 5cm a, Tính độ dài đoạn thẳng AC b, Trên tia đối của tia AB lấu điểm D sao cho AD = AB. Chứng minh tam giác ADC = tam giác ABC c, Gọi M là trung điểm của CD. Qua D vẽ đường thẳng song song với BC cắt BM tại E. Chứng minh tam giác CDE cân tại E d, Gọi I là giao điểm của AC và BE. Chứng minh BC+BD>6.IM

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1. That man used to work wirh me when I lived in Moscow. (who) That’s …………………………………………………………………………. 2. We don’t get lost because we have a map now. If we …………………………………………………………………………… 3. I would prefer you to deliver the sofa on Friday. I would rather ………………………………………………………………….. 4. The bridge was so low that the bus couldn't go under it. It was such ………………………………………………………………………. The bridge was not ……………………………………………………………… 5. Her voice is so sofl that it is impossible for me to hear it. She has ………………………………………………………………………….. 6. I last saw him when I was a student. I haven't …………………………………………………………………………. 7. Susan was too excited to sleep. Susan was ………………………………………………………………………. 8. Robert has not had a job for two years. Robert has been ………………………………………………………………… 9. She will complete the work only she is paid extra. She will not ……………………………………………………………………..

wordform 1 The car was.........for sale and efficient shipping (CONTENT) 2.Politicians and academics pointed to the building's..........contours as a cautionary tale of architectural overeach. (BECOME) 3.It's a ..... article which is fair to both sides of the dispute. (ROUND) 4.He was regarded as a......winner as he beat his opponents in three straight sets (RUN) 5.............. programs are offered to those who want to do professional training while being paid to work (SERVICE) 6. I cast my eyes........and saw the geeese flying in V-line (HEAVEN) 7. There was a .....in the arrangements so I missed my flight. (SLIP) 8.The only thing I could see in him was a certain...........for the job (KEEN) 9. .......water pollution is an important thing for human life. ( PREVENT) 10. The government has a policy of letting the....ill be cared for in the community. (MIND)

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