Cho hình thoi ABCD có 1 góc nhọn bằng 30 độ. Khoảng cách từ giao điểm của hai đường chéo đến mỗi cạnh = h. Tính độ dài mỗi cạnh của hình thoi theo h.

II. Supply the correct tense and form of the verbs in brackets 1. Last week, we ____________(have) dinner with a French family. 2. I hate eating with spoon because it____________(cause) trouble when I eat fish. 3. In the past, Ao dai ____________(wear) by both men and women. 4. The speaker ____________(give) a presentation on Vietnamese customs and traditions right now. 5. She ____________(travel) to six countries since she ____________(start) the job. 6. Our family __________(have) dinner together every Saturday night. It’s our family tradition. 7. I hope I ____________(have) a chance to visit your country soon. 8. When in Japan, you should avoid ____________(eat) on the go. 9. I think you should ____________(go) to the doctor. You look terrible. 10. The Japanese tend ____________(use) their mobile phones discreetly when in public.

Giải giúp mình nhanh nhé làm ơn mình sẽ cho 5 sao ạ

Thu gọn các đơn thức sau: a. 5x^2y-6x^2y+5x^2y b. -7x^3y^4+4x^3y^4-2x^3y^4 c. 4xy^5-8xy^5+4xy^5 d. 3x^5y^6-8x^5y^6-2x^5y^6 e. 13xy^6+5xy^6-7xy^6+2xy^6 f. -2x^2y^3+2x^2y^3-4x^2y^3+3x^2y^3 g. 2/3x^4y^4-2x^4y^4

x+(x+2)+(x+4)+(x+6)+...+(x+100)=3009

Writing 1. What is your hobby? What hobby……………………………………………………………………………………………………………………? 2. We all find painting interesting because it’s a creative activity. We all think …………………………………………………………………………………………………………………… 3. His hobby is collecting toy cars. He …………………………………………………………………………………………………………………………………… 4. It isn’t necessary to finish the work today. You ………………………………………………………………………………………………………………………………… 5. When did you start your hobby? How long ………………………………………………………………………………… 6. It took me three hours to make this pottery jug. I spent ……………………………………………………………………………………… 7. My father likes to do gardening at the weekend. My father………………………………………………………………………………………………………………………… 8. Why don’t we go swimming this afternoon? What about ……………………………………………………………………………?9. I’m leaving now because I don’t want to miss the train. (so) I …………………………………………………………………………………………… 10. The last time I saw my uncle was two years ago. (for) I ……………………………………………………………………………………………………………………………………… 11. Let me reach my office and then I will talk to him. (when) I …………………………………………………………………………………………… 12. Why don’t we donate our old books, toys and clothes to charity? (suggests) Mom suggests ………………………………………………………………………………… Giúp mk vs!

Làm hộ em với ah em đang cần ngày bây giờ ai giúp em em hứa sẽ vote 5 sao ạb

giúp mình với các bạn ơi bài nào cũng được cảm ơn

NHANH HỘ TỚ Ạ TỚ SẼ VOTE CTLHN CHO Ạ

Cho hình thoi ABCD có góc A = 60 độ. Gọi M là trung điểm AB, vẽ DH vuông góc với CM. Hãy tính số đo của góc MHB.