Đáp án:
Giải thích các bước giải:
Diện tích của hình thoi bằng một nửa tích độ dài của hai đường chéo, công thức như sau
S$S_{ABCD}$ =$\frac{1}{2}$ ($d_{1}$ . $d_{2}$)
diện tích hình thoi=$\frac{1}{2}$ (d1.d2)
\(\left[ \begin{array}{l}d1: đường chéo 1\\d2: đường chéo 2\end{array} \right.\)
Mik giải xog trường hợp 1 x = y ròi các bn chỉ cần giúp TH2 thôi nhek
mọi người giúp em với ạ trưa em nộp rùi
mk bật chế độ ko trong suốt xong giờ dùng tẩy nó lại như này .. các bạn trl nhanh nhanh mk còn làm bài T^T
Để làm được bài này bạn cần dịch nghĩa nhé!
Calli 7A1 Tone tùy, đổ bóng Trang trí
mn giải giúp mình 3 bài này với ạ, mình cảm ơn ạ
25. ....tennis is my favourite sport. I play once or twice ......... week if I can, but I'm not ...... very good player. A. x/the/ the B. x /the/ the C. a/ x / the D.x/ a/ a 26. I won't be home for ........ dinner this evening. I'm meeting some friends after ...... work and we're going to ........ cinema. A. the/a/ the B. a/the/ the C. x/the/ the D. x/ x/the 27. There was..... accident as I was going ..... home last night. Two people were taken to....... hospital. I think ...... most accidents are caused by ........people driving too fast. A. the/a/ the/ x/x B. x/x/ an/the/ the C. an/x/the/x/x D. an/x/x/ x/x 28. ....... atmosphere at ........ party was likely and free. A. the/a B. a/the C. the/ the D. x/x 29. After......... World War II, .........United Nations was formed. A. the/a B. a/the C. the/ the D. x/the 30. People eat chocolate all over ...... world. It is probably ......... most popular candy in ........ world. A. the/a/ the B. the/the/ the C. x/the/ the D. x/x/ the 31. Do you live in ..........big city or in ........... small town? A. the/a B. a/a C. the /the D. x/x 32. A: Do you know Lan's sister? _ B: Yes. In fact, she is .............friend of mine. A. the B. a C. an D. x 33. Are you taking ..........French this semester? A. the B. a C. an D. x 34. Have you ever been to ..............countryside? A. the B. a C. an D. x
giúp mình nhanh nhé chiều mình nộp r ạ
giúp mik vs ạ, cảm ơn mn mik cần trong hôm nay nha ạ, mà nếu hôm sau ai rep mik thì cx đc
III. Supply the correct form of the verbs in brackets (1 point). 1. There is a lot of black cloud in the sky. It ( rain)…………………. . 2. Mary can,t answer the phone because she (have)………a bath at present. 3. Teddy is excited about his new laptop. That is all he (talk) ……….. about lately. 4. Do you want (know)………..anything about your English teacher ? 5. At first,I enjoyed (listen)….. to him but after a while I got tired of hearing the same story again and again. IV.There is one mistake in each sentence. Find it and correct it. (1 point) Your corrections 1. He is knowing you are wrong. A B C D 2. In the fall, leaf often fall from trees. A B C D 3. I have some apples but I don’t have some bananas. A B C D 4. Mr. Phong rides his bike to work at the moment. A B C D 5. A man in dark glasses is standing near the door. A B C D 1. ……………… 2………………. 3. ……………… 4………………. 5………………. V. Supply the correct form of the word in brackets.(2 points) 1. We live in a very …………… neighborhood. ( noise) 2. The river is very dangerous. Its ……. is about 50 m. ( deep) 3.We are living in a……….. area of the city ( history) 4. Africa elephants have the ……. ears of all animals. ( large) 5. There are a lot of …….mountains in Viet Nam. (beauty) 6. I’m Vietnamese. What’s your ………? (nation) 7. More people need ………….land. ( much) 8. There is a ……………….……… next to my house. ( baker) 9. We mustn’t be ………………….when we cross the road . ( care) 10. What does your father do? - He is a …………... ( police) giúp mk nha mk vote 5 sao cho câu trả lời hay nhất
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