Môt chiếc thang dai 6,5m được bắc dựa trên mép của môt bức tương cao 6m. Tinh số đo của goc tao bởi mặt thang va mặt đất ? (lam tròn đến đô)
 

Môt cây cao 12m co goc ma tia sang tao với mặt đất la 590 .Tinh đô dai của bong cây trên mặt đất (lam tròn đến m)?
 

19. Thanh and his twin brother are always together. They are ……………………………….​(separate)

20. His ideas ………………………………little from those of his father.​​​​(different)

21. Peter felt quite lonely in the new school because he has no friends. He was ………  (friend)

22. My father works for an …………………………………..bank in HCM city.​​​(nation)

23. Our country enjoys ……………………………….. climate.​​​​​(tropics)

24. By the age of eighteen, he was completely ……………………………………of his parents.​(depend)

25. There are some ……………………………buildings in this town.​​​​

The legal system is based on ………………………………….​​​​​(compel)

4. Her ……………………………………..with Jim lasted many ages.​​​​(correspond)

5. There was a conflict between ……………………………..and national interests.​​(region)

6. His first speech as the president made a strong ________ on his audience.​​(impress)