cho tam giác ABC vuông tại A có AB=12cm,AC=16cm.vẽ đường cao AH a) chứng minh tam giác HBA đống dạng với tam giác ABC b) tính BC,AH,BH c) vẽ đường phân giác AD của tam giác ABC (D thuộc BC).tính BD,CD d) trên AH lấy điểm K sao cho AK=3.6cm.tứ K kẻ đường thẳng song song BC cắt AB và AC lần lượt tại M và N.tính diện tích tứ giác BMNC

Viết chữ calligraphy " $\huge\text{ i love you }$ " Ưu tiên dân vẽ nhó | ko app

Thêm các dấu $+-\times:\sqrt{\color{transparent}{a}}\ !$ để: `6 6 6 6=1` `6 6 6 6=2` `6 6 6 6=3` `6 6 6 6=4` `6 6 6 6=5` `6 6 6 6=6` `6 6 6 6=7` `6 6 6 6=8` `6 6 6 6=9` `6 6 6 6=10`

Viết đoạn văn ngắn khoảng 8-10 câu giải thích vì sao trong bài nước đại việt ta, tác giả lại đưa nền văn hiến lên đầu tiên

Tác Giả Andersen trong chuyện cô bé bán diêm phải là người như thế nào để viết nên câu chuyện ( mn giải giùm em dc ko ạ)

1.There were over fifty ........................... in the orchestra last night ( music ) 2.Consumer always want cheap and ............................. appliances ( produce ) 3.Solar energy is ......................... by the sun ( provision ) 4.Her promotion was totally ..................... .We were all very surprised ( expect ) 5.Many ......................... articles are written in English ( science ) 6.He appearance is .......................... today .We don't need her ( need )

Cách học giỏi TA.Mình lớp 7 và đang bị mất gốc.Mình học đủ kiểu nhưng vẫn không hiểu gì cả.Cô trên lớp thì dạy như dạy mấy đứa giỏi.Sắp vào lớp 8 rồi,khi nào đi thi mình cũng không hiểu gì cả.Mình không thể học những cách như học từ vựng ,ngữ pháp,..Nếu học như vậy thì mình hay quên,giờ phải sao đây.

The most important celebration holiday in China is the Lunar New Year. At this time, shops are closed. People celebrate by having parties, by paying friendly phone calls to their neighbours, and by visiting the temples or pagodas to promises for the New Year. Children walk through the streets, carrying colourful lanterns and paper figures. Fireworks are also set off to light up the sky. The time of the New Year is also the time at which Chinese people decorate their homes. For example, the windows, which are made of thick paper are torn down, and new ones are put up. This is also the time during which people pay their debts. Everyone tries to settle all his bills before the beginning of the New Year. Before New Year's Eve, people make their homes attractive by decorating them with flowers and plants, and hanging brightly-coloured decorations. 48. This passage as a whole is about . A. paying debts B. China C. the Chinese New Year D. New Year's promises 49. The Lunar New Year is . A. an important Chinese holiday B. the time for having large meals C. a special time for children D. the time when no one is in debt 50. What can we infer from the passage? A. The Chinese have only one holiday. B. The Chinese New Year is happy. C. The Chinese New Year celebration lasts seven days. D. People don't go to church during the Chinese New Year. 51. Which of these sentences is NOT true? A. Fireworks are set off to light up the sky. B. Chinese houses are made of paper. C. Chinese people pay debts at New Year's. D. People also decorate the windows. 52. How can people make their homes attractive? A. By decorating them with flowers and plants. B. By decorating them with brightly-coloured decorations. C. By hanging brightly-coloured decorations outside their homes. D. By decorating them with flowers and plants, and hanging brightly-coloured decorations.

Complete each sentence with fewer or less. 1.George worked...than 30 hours this week 2.many americans are choosing to have...Children because of the economy 3.they made... money this year than last year 4.I hope you are making...mistakes with your English since you started coming this website 5.there's... daylight in the winter than in the summer 6.there are... hours of darkness in the summer than in the winter 7...people want to go into that profession these days 8.we're using...water now after installing water -saving toilets 9.he has... opportunities to find a job without a college degree 10.you should use... butter in this cookie recipe than the recipe calls for

giúp mình làm bài này với mình sẽ tim và đánh giá 5 sao nha