user-avatar
hung9anhn2018
2 năm trước
có vẽ hình cho hình chữ nhật ABCD. tia phân giác góc A cắt tia phân giác góc D tại M , tia phân giác góc B cắt tia phân giác góc C tại N. gọi E;F lần lượt là giao của DM,CN với AB. cmr a) AM=DM=BN=CN=ME=NF b) tứ giác DMNC là hình thang cân c) AF=BE d) AC,BD,MN đồng quy
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word in each of the following questions. 21. They decided to postpone their journey till the end of the month because of the epidemic. A. take up B. turn round C. put off D. do with 22. The áo dài is the traditional dress of Vietnamese women. A. unfamiliar B. race C. customary D. occasional Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s)in each of the following questions. 23. We ought to keep these proposals secret from the chairman for the time being. A. revealed B. frequented C. accessible D. lively 24. Because Jack defaulted on his loan, the bank took him to court. A. failed to pay B. paid in full C. had a bad personality D. was paid much money Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks. Drought is a condition that becomes when average rainfall for a fertile area drops far below the normal (25)________ for a long period of time. In areas (26)_______ are not irritated, the lack of rain causesfarm crops to wither and dead . Higher than normal temperatures ussually accompany periods of drought . They add to the crop damage. Forest fires start easily during drought . The soil of a drought area becomes dry and crumbles. Often the rich topsoil is (27)________ away by the hot, dry winds . Streams, ponds, and wells often dry up during a drought, and animals suffer and may even die (28)______ the lack of water. 25. A. average B. number C. amount D. rainfall 26. A. who B. what C. which D. where 27. A. to blow B. blew C. blowing D. blown 28. A. because B. because of C. for D. as Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions. The country is more beautiful than a town and pleasant to live in. Many people think so and go to the country for the summer holidays though they can not live there all the year round. Some have a cottage built in a village so that they can go there whenever they can find the time. Almost every village has a church, the round or square tower of which can be seen from many miles around. Surrounding the church is the churchyard where people are buried. The Village green is a wide stretch of grass. Houses or cottages are built round it. Country life is now fairly comfortable and many villages have the water brought through pipes into house. Most villages are so close to some small towns that people can go there to buy what they can't find in the village shops. 29. What can be easily seen in most villages? A. a church B. a tower C. a shop D. a cottage 30. Which of the following statements is NOT true? A. Many villagers now have water inside their homes. B. People are buried near the village church. C. Many English people prefer living in the country. D. People can buy anything from the village shops. 31. What does the word “it” refer to? A. grass B. a cottage C. a house D. the village green 32. What is the best title for the passage? A. The English countryside B. Advantages of country life C. Things in an English village D. Summer holidays in England

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