( x + 1 ) thuộc BC ( 16,21,25 ) và x < 300 

Cho tam giác ABC vuông tại A.
a) Cho biết AB = 9cm; BC =15cm. Tính AC rồi so sánh các góc của tam giác ABC.
b) Trên BC lấy điểm D sao cho BD = BA. Từ D vẽ đường thẳng vuông góc với BC cắt AC
tại E. Chứng minh: ΔEBA = ΔEBD.
c) Lấy F sao cho D là trung điểm của EF. Từ D vẽ

DM CE
tại M,
DN CF

tại N. Cho

0 CF 60 E
ˆ

. Tam CMN là tam giác gi?

VI. Make sentences using the words and phrases given. (1.0 point)

1. He/ has/ flu/./ he/ keep/ sneezing/ coughing/…->………………………………………..

2. Listen/ music/ in/ free/ time/ is/ my/ favourite/ hobby/…->………………………………

3. My brother/ enjoy/ play/ piano/ when/ he/ young/…->……………………………………

4. In/ future/,/ I travel/ around/ Viet Nam…->……………………………………………….

5. Nhung/ already/ finish/ the homework/->…………………………………………………..

VII. Rewrite each of the following sentences in such a way that means exactly the same as the sentence printed

1. The painting is bigger than the photograph. (not as …as) ->The photograph…………….

2. They sell tickets at the gate of the tourist site.-> Tickets……………………

3. The market does not have any carrots. ->There……………………………..

4. They didn’t go camping yesterday because it rained heavily.-> Because of ………………

5. Be careful or you’ll hurt yourself.->  If you are………………………………………

VIII. Using the verbs in brackets, write sentences in the passive voice.

1.The Temple of Literature/ in the centre of Ha Noi about 2 kilometres west of Hoan Kiem Lake. (locate)

->……………………………………………………………..

2. Many precious relics/ in the Temple of Literature (display) ->……………………

3. Many trees and flowers/ the gardeners (take care of) ->…………………

4. The Temple of Literature/ one of the most important cultural and historic places/ in Viet Nam. (consider)

->…………………………………………………………………………………….

5. Lots of souvenirs/ inside the Temple of Literature (sell) ->……………………

6. Khue Van pavillion/ the symbol of Ha Noi (regard) ->……………………

7. The Temple of Literature/ in 1070 (found) ->………………………

8. The Imperial Academy / under Emperor Ly Thanh Tong (construct) ->……………………

9. The Doctors’ stone tablets/ King Le Thanh Tong (erect) ->…………………

10. The imperial Academy/ the first university/ in Viet Nam (regard as) ->……………………

11. In 1483 the Imperial Academy/ Thai Hoc Vien (rename) ->……………………

12. The 82 Doctors’ stone tablets/ UNESCO (recognise) ->…………………

I have never met him before

This is 

he is so clever and well .................... ( educate ) 

15^2016 . 11^ 2017 / 3^2016 . 55^2017