2:
a: BC^2=AB^2+AC^2
=>ΔABC vuông tại A
b: Xét ΔBAD vuông tại A và ΔBED vuông tại E có
BD chung
góc ABD=góc EBD
=>ΔBAD=ΔBED
=>DA=DE
c: Xét ΔBEK vuông tại E và ΔBAC vuông tại A có
BE=BA
góc EBK chung
=>ΔBEK=ΔBAC
=>BK=BC
mà góc KBC=60 độ
nên ΔBKC đều
d: BA=BE
DA=DE
=>BD là trung trực của AE
e: AD=DE
DE<DC
=>AD<DC
I mak😣😣
He used ............. (talk) about the value of a good education when she was younger.
Did you remember............(post) the letter for me this morning?
Giúp mình với😣😣😣
Hép mii. Mai tớ nạp rồi ạ
Hép cần lời giải cho tiết (tại sao??♧)
15. They asked us to be there at eight o’clock ………………………………………………………………………
hép mì câu này ik
Hãy Viết 1 đoạn văn 60-80 từ về những việc làm của em và bạn vào cuối tuần, dùng thì hiện tại đơn
Mai tớ nạp roiii aa, Hép mii
Mn giúp mk bài nay với ạ.Mk đang cần gấp
Because of the bad weather,we had to stp our picnic(From)will/go/be/afternoon./our/for us/it/to/to/club meeting/this necesssary
It is ub doubted that people must stop over-exploiting,over using and wasting energy sources right now➝Without...
Mr Quang speaks Chinese fluently➜Mr Quang is...
1. Lan doesn't like reading book, .......................?
2. Mai and Tim are your friends, .......................?
3. You want to take Hoa to the market, .......................?
4. Hoa is reading book, .......................?
5. He won't go to Ha Noi tomorrow, .......................?
6. My brother wnet to the cinema last night, .......................?
7. He couldn't repair the broken vase, .......................?
8. They started to work for the company a year ago, .......................?
9. John failed to find the source of the Nile River, .......................?
10. Mrs Smith is the owner os the car, .......................?
11. Nobody can deny that she is a beautiful singer, .......................?
12. She knows a lot more about it that I do, .......................?
13. The bread wasn't fresh enough for us to eat, .......................?
14. Nobody was injured in the accident, .......................?
15. Something was wrong with the machine, .......................?
16. I'm too fat, .......................?
17. Na and Ba have hardly done their homework, .......................?
18. Nothing can stop us now, .......................?
19. He has to work hard to support his family, .......................?
20. Let's go for a walk, .......................?
21. Everyone will agree to our suggestion, .......................?
22. That is a true story, .......................?
23. No salt is needed, .......................?
24. Listen to me carefully, .......................?
25. My father works at a factory, .......................?
26. I'm not sure that is the right answer, .......................?
27. You've never been there, .......................?
28. You used to be in the army, .......................?
29. They ought to be here by now, .......................?
30. You had better get the work finished by Tuesday, .......................?
Viết Một Bài Văn Kể Về Phim NaRuTo Bằng Tiếng Anh
NHỚ LÀ BẰNG TIẾNG ANH NHA
Ai Làm Được Cho 1 Sao
Why is stress such a problem in the modern world and what do you think can be done to overcome the problems caused by stress
