user-avatar
huyhuong179
2 năm trước
B1:Cho tam giác ABC nhọn(AB<AC).Gọi M,N,K ll là tđ của AB,BC,AC a) CM: tứ giác AMNK là hbh b) vẽ đg cao AH của tam giác ABC. Tứ giã MKNH là hình gì? Vì sao B2: Cho tam giác ABC vuông tại A, AB=6cm, AC=8cm. Gọi MN ll là tđ của AB,AC a) tính MN b) gọi D là tđ của BC.CM tứ giác BMND là hbh c) cm tứ giác AMDN là hcn Giúp me vs! Ai làm xong trước mk cho ctlhn nha
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. When I saw her in the kitchen, she ............................... the dishes. A. washed B. washes C. was washing D. has washed 2. I don't know how ......................... that game. A. to play B. playing C. play D. played 3. I am interested .................... traveling around Viet Nam. A. on B. of C. at D. in 4. “Vegetables matter” is made into .......................................... A. compost B. plastic C. sugar cane D. garbage 5. A: Will you answer the telephone for me, please? - B: ..................................... A. No, thank you B. OK C. Yes, please D. I hope so 6. I always read the ................. carefully in order to know how to use this printer. A. book B. manual C. handbook D. newspaper 7. The Pyramid is the only .................... you can still see today. A. wonder B. capital C. city D. temple 8. ……………………….. you mind if I smoke? A. Can B. Do C. Should D. Would 9. Ba invited Liz to participate in a .................................festival A. rice - cook B. cook - rice C. rice-cooking D. cooking -rice 2. Can you wait for me a moment? - Do you mind ………………………………………………………………………? 3. She aked me, "Do you want to visit the USA one day? - She asked me if ..................................................................................................................... 4. I / cook / dinner / when / you / phone / me / yesterday. - …………………………………………………………………………………………….. ai giúp mình vs ạ!!!cầu giải thik đừng ghi mỗi đáp án

giúp mình vs mn!!! LÝ THUYẾT: 1/Be + adj+To-infinitive 2/ Adj+ that+ noun clause Đề: rewrite the sentences, using"the adjective+To- infinitive/ a noun clause" 1/I was disappointed because i heard about your family 2/ She'll pass the exams. I'm sure 3/ I was lucky. i passed the exams 4/ My parents were surprised when they heard about my report card 5/ He received my letter last week. He was happy 6/ they won't come to my birthay. I am afraid 7/Swimming in this river is very dangerous 8/ He takes part in the games. He is glad 9/My parents won't agree with my plan. I'm afraid 10/ Going by train is interesting 11/ He was sad because he heard about his parents unhappiness 12/ I didn't come back. My parents were worried 13/ Eating vegetables is very good for your health 14/ I heard about your sickness. I was sorry 15/ My son is interested in reading books. I am delighted

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