Cho tam giác ABC. Gọi D là trung điểm của AB. Trên cạnh BC lấy điểm E sao cho CE = 1/3 BE. a. So sánh diện tích tam giác ABE với diện tích tam giác ABC. b. Tính diện tích tam giác ABC biết diện tích tam giác BDE là 12 cm^2. c. Tính diện tích tứ giác ACED Giúp vs ạ!Cần gấp!Làm bài 6 thôi!Môn toán!

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Giải hộ mình hết phần trắc nghiệm này xin làm nhanh hộ mình

Part 4. Reading I. Fill in the blank with a word/ phrase in the box. children TV /channels /music channels / educational adults / seen / reduce / important / concentration Television has a very (1) ………… role in a person's life. Poor or rich, it is (2)……………… in every houses now a days. Television was the amazing discovery of science. We can see the whole world in it's small screen. There are various (3)………………like movie channels, news channels, cartoon channels, (4) ………………, sports channels etc. Our favourite TV programs help to (5) ……………… our mind's tiredness when we become tired after work/study. (6) ……………… like to watch cartoon channels. There are various (7) ……………… channel like Discovery, National Geography that can increase the knowledge boundaries of a student. A TV can entertain not only children and students but also the (8) ……………… and the old people. We also see our parents watching their favourite TV serials at night. However, we shouldn't watch (9)………………for long time. Watching TV constantly for hours can affect our eyes and brain. You can also loose your (10) ……………… on your study. II. Read the following passage and answer the questions. Football is a popular game which keeps players healthy and disciplined. It develops their mind and team spirit and sense of tolerance among them. It is a game played for ninety minutes (in two halves of 45 minutes and 15 minutes breaks). This game has two teams of eleven players in each. Players have to kick a ball with their foot and take a goal by putting ball into the goalpost of the opponent team. In order to oppose the goal made by players of opponent team, there is a goalkeeper on each side. No one player is allowed to touch the ball with hand except the goal-keeper. A team having more goals got declared as the winner and other as loser. The game is conducted by a referee and two linesmen (one on each side). All the players are warned to strictly follow the rules while playing this game. It has been an international game and played as World Cup tournament every four years in different countries worldwide. 1. What is a popular game? ......................................................................... 2. How long does the football match last? ............................................................................... 3. Does a team have 12 players? ............................................................................ 4. Who is allowed to touch the ball with hand? ................................................................................. 5. Who conducts the game? .................................................................................. Part 5.Writing I. Use the conjunctions (but, and, so, or, because, although) to connect the sentences. 1. I don't like watching TV much. It hurts my eyes. ....................................................................................... 2. The newsreader on CNN reads very fast. My sister can hear everything in the news. .................................................................................... 3. She loves football. She doesn't like playing football. .................................................................................. 4. VTV3 is my favourite channel. VTV1 is my favourite channel. ......................................................................................... 5. They're listening to music. They can't hear me. ....................................................................................... 6. You can read Angels and Demons in the library. You can borrow and read it at home. .......................................................................................... 7. I like travelling. I like climbing. ................................................................................................ 8. My mother lost the key. She couldn't enter her house. ........................................................................................ 9. The game show is on VTV3. The science programme is on VTV2. .................................................................................. 10. I can't watch the football match. It is on at 2am. ........................................................................................ minh het diem mong cac ban thong cam

1,Chuyển các câu sau sang câu bị động 1,They have to repair the engine of the car. 2,people speak English all over the world. 3,They will hold the meeting before the May Day. 4,They paid me a lot of money to do the job.

Cho đường tròn (O) đường kính AB. Gọi I là trung điểm của OA . Vẽ đường tron tâm I đi qua A, trên (I) lấy P bất kì, AP cắt (O) tại Q. 1. Chứng minh rằng các đường tròn (I) và (O) tiếp xúc nhau tại A. 2. Chứng minh IP // OQ. 3. Chứng minh rằng AP = PQ. 4. Xác định vị trí của P để tam giác AQB có diện tích lớn nhất. Các chuyên gia toán học cao đảng như hangbich và nganna giúp em với ạ ♥♥

Một thửa ruộng hình thang vuông có cạnh bên vuông góc với hai đáy dài 30,5 m , đáy lớn 120,4 m , đáy bé 79,6 m . Trung bình cứ 100 mét vuông thu hoạch được 62 kg thóc . Hỏi thửa ruộng đó thu hoạch được bao nhiêu kg thóc

Nga hái được một số hoa ít hơn 13 bông , gồm hoa hồng và hoa cúc . Số hoa hồng nhiều hơn số hoa cúc là 10 bông . Hỏi có mấy bông hoa hồng ? Mấy bông hoa cúc ?

cho tam giác ABC vuông ở A . Biết BC = 20 cm và 4AB = 3AC . Tính độ dài các cạnh AB , AC

tả 1 đoạn văn miêu tả về phố cổ hội an về ngày trăng rằm khoảng 10 dòng trong đó có ít nhất 2 câu có 2 phép so sánh. MIK ĐANG CẦN GẤP! XIN CẢM ƠN NHIỀU Ạ!