Trên đoạn AC lấy C: CA>CB. Trên cùng nủa mp bờ AB vẽ tam giác đều ACD ; BCE .Gọi M,N,P,Q lần lượt là trung điểm của AE ;CD ;BD ;CE a, Xác định dạng của tứ giác MNPQ b, Cm MP = 1/2 DE Mọi người giúp em vs ạ . Em đang cần gấp , em cảm ơn !

giúp mik bài 1b với bài 4 với ạ!!!

Khi mắc 1 bóng đèn vào U – 12V thì dòng điện chạy qua I= 0,4A. Tính công suất của bóng đèn và R?

BÀI TẬP VỀ MỆNH ĐỀ QUAN HỆ (RELATIVE CLAUSES) 1. We visited the school ___________ my father taught. 2. I met her last month, ___________ she came to our house. 3. We all looked at the place ___________ the fire had started. 4. Did they tell you the reason ___________ they were late? 5. The cat sat on the wall ___________ it had a good view of the birds. 6. They arrived in the evening, at a time ___________ we were all out. 7. I couldn’t understand the reason ___________ they were so rude. 8. I met him in the cafe ___________ he was working as a waiter. 9. I listen to music late at night, ___________ the children have gone to bed. 10. I bought them in August, ___________ I was in France. 11. Let me see all the letters _______ you have written. 12. Is there any one ________ can help me do this? 13. Mr. Brown, _________ is only 34, is the director of this company. 14. I know a place __________ roses grow in abundance. 15. It was the nurse ________ told me to come in. 16. The teacher with ________, we studied last year no longer teaches in our school. 17. They showed me the hospital ________ buildings had been destroyed by US bombings. 18. We saw many soldiers and tanks ______ were moving to the front. 19. Dr. Fleming, _______ discovered penicillin, was awarded the Nobel Prize for medicine in 1945. 20. He joined the political party _______ was in power. 21. Love, ________ is a wonderful feeling, comes to everyone at some time in his life. 22. Freedom is something for _______ millions have given their lives. 23. It is easy to find faults in people ________ we dislike. 24. The really happy people are those _______ enjoy their daily work. 25. We must find a time _______ we can meet and a place _______ we can talk.

vẽ chi bi cute nha

Giải phương trình (sin4x+sin2x-4sin3x+2cos2x-4)/(sinx-1)=0

Cho hình vuông ABCD cạnh a . Lấy I trên cạnh AB, K trên tia đối CB mà AI= CK. a) CM: tam giác DIK vuông cân b) Gọi M là trung điểm IK. CM: KM.KI= KH.KB c) Khi AB= 1/3a. Tính diện tích các tam giác: DIC, IBK, KMH d) CM: chu vi tam giác IBH không đổi khi I di chuyển trên AB

mn ơi vẽ cho ly tranh cổ trang và hiện đại nhé ly cảm ơn:) chú ý ko vi phạm luật hỏi đáp

Write about the seasons and the weather in your place

Tìm m, n để hàm số y=(m-1)x + 2n song song với đường thẳng y=4x - 2 và đồ thị y=(m-1)x + 2n đi qua điểm A(-1; 3)