Cho nữa đường tròn (O) đường kính AB. Lấy điểm I cố định trên đoạn OB ( I khác O và A, qua I kẽ đường thẳng d vuông góc với AB cắt nữa đường tròn (O) tại N. Trên cung AN lấy điểm M tùy ý ( M khác A và N ) gọi giao điểm của các đường thẳng AM, BM, với đường thẳng d lần lượt là C,D. Chứng minh a, tứ giác AMDI nội tiếp được trong một đường tròn. b, AN.AN=AM.AC

xy-2x=5 Giúp mik với ạ mik cảm ơn

Mark the letter A, B, C or D to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions: A. wanted B. filled C. stayed D. played

ko giải thích cx đc 3. I have three days off next week. ________ visit my mother. I'm going to I will 4. The clouds are very black. I think ________ snow. it's going to it will 5. We ________ the laundry tomorrow. will doing are doing 6. Alexander _____ taking his driving test next week. will is 7. The bus _____ at 7:30 sharp. arrives is arriving 8. Tomorrow ________ a public holiday. is is going to be 9. Don't get up. ________ the door. I'm answering I'll answer 10. My plane ________ at 3:00 pm on Sunday. leaves is going to leave

VIẾT ĐOẠN VĂN MIÊU TẢ CẢNH TƯNG BỪNG NƠI EM Ở VÀO 1 NGÀY

ghi đáp án luôn với ạ mình cảm ơn

Exercise 1: Complete these reported speeches below using a suitable verb for each answer begged advised insisted refused persuaded promised offered announced apologised threatened Justin said : "I'm going to university next autumn." Justin (1)............... that he would go to university the following autumn. The doctor said to me : "You really should stay in bed and not go to work this week." The doctor (2).............. me to stay in bed and not go to work that week. Dad told me : "I won't give you any more pocket money if you keep behaving like that." Dad (3)................ not to give me any more pocket money if I kept behaving like that. My friend said : "You can stay with me if there's no train home so late in the evening. My friend (4) ............... to stay with her if there was no train home so late in the evening. Mom said: "I'll buy you a new laptop if you get good grades ". Mom (5) ................ to buy me a new laptop if I got good grades. She said :" I am sorry. I didn't mean to break the vase." She (6)................_ for breaking the vase. The reporter said: " I won't tell you who my source is." The reporter (7)_ ................ to tell me who his source was. Jack said :"Please come to the show with me. We'll have a lot of fun." So, In the end, I went with him. Jack (8)_ .................. me to go to the show with him. My father said :"I'll pay for the meal ! Put you money back in your wallets!" My father (9)..................._ on paying for the meal. Dicky said: "Please don't tell mom, She'll punish me if she knows." Dicky (10)............... me not to tell his mother. She would punish him if she knew.

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Làm cho mình bài này với Cho hình thang ABCD(AB song song CD).biết góc A=1,5góc D .góc B/C=5/4 .tính các góc của hình thang

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