Cho tam giác ABC vuông tại A có tan B =3/4; BC = 25 cm. 

a, Tính AB;AC và đường cao AH và góc C.

b, Phân giác góc B cắt AC tại D và AH tại E. CM: AD.AE=EH.DC

GIÚP MÌNH VỚI Ạ. MÌNH CẢM ƠN.

GIÚP MÌNH VỚI Ạ. MÌNH ĐANG CẦN GẤP.

MỌI NGƯỜI LÀM GIÚP MÌNH VỚI. MÌNH CẢM ƠN.

1/ Use the words/ phrases to make meaningfully sentences.

Question 33: Nick / get/ lost/ because/ he/ not take/ a map/ him.                                                       

    Question 34: A large number/ people/ kill / when/ a huge earthquake/ struck / city.                       

     Question 35: What / already/ happen/ when/ you / arrive/ school/ yesterday?

     Question 36: Thousands / people / save / because / scientists / warn / them / tidal wave.                   

     2/ Rewrite the sentences, beginning with as shown.

Question 37:They will rebuild a new house in the area.                                                                      

-  A new house will be ..............................

Question  38: When I came home, my sister hadn’t cooked dinner.                                               - By the time I ..........

Question  39: The storm destroyed the town completely.                                                          

- The town .......

Question  40:  Is a big house going to be built in this garden by the family? (Active)                        

- Is the family ...............?

1. Make meaningful sentences using words/ phrases given.

Question 33: few/ people/ not/ leave/ before/ volcano/ erupt/./

Question 34: roof/ building/ not/ bad/ damage/ storm/ few/ days/ ago/./  

Question 35: future/ natural disaster/ predict/ help/ technology/./  

Question 36: many/ houses/ roads/ destroy/ flood / after/ typhoon/ last night/?/.

2. Rewrite the sentences.

Question 37:  They succeeded in running out of the house into the street before the walls collapsed.  

 They managed to……………. ..............................................................................................................

Question 38: They haven’t provided the victims with food and clothing yet.

 The victims ..............................................................................................................................

Question 39: They provided food then cleared up the debris.  

 After they......................

Question 40: A mechanic is going to service my car tomorrow because yesterday's storm damaged it severely.

 ..............................................

MN làm giúp mình nhanh với mình đang cần gấp lắm ạ

Cảm ơn mọi người.

1/ Use the words/ phrases to make meaningfully sentences.

Question 33: Nick / get/ lost/ because/ he/ not take/ a map/ him.                                                       

    Question 34: A large number/ people/ kill / when/ a huge earthquake/ struck / city.                       

     Question 35: What / already/ happen/ when/ you / arrive/ school/ yesterday?

     Question 36: Thousands / people / save / because / scientists / warn / them / tidal wave.                   

     2/ Rewrite the sentences, beginning with as shown.

Question 37:They will rebuild a new house in the area.                                                                      

-  A new house will be ..............................

Question  38: When I came home, my sister hadn’t cooked dinner.                                               - By the time I ..........

Question  39: The storm destroyed the town completely.                                                          

- The town .......

Question  40:  Is a big house going to be built in this garden by the family? (Active)                        

- Is the family ...............?

1. Make meaningful sentences using words/ phrases given.

Question 33: few/ people/ not/ leave/ before/ volcano/ erupt/./

Question 34: roof/ building/ not/ bad/ damage/ storm/ few/ days/ ago/./  

Question 35: future/ natural disaster/ predict/ help/ technology/./  

Question 36: many/ houses/ roads/ destroy/ flood / after/ typhoon/ last night/?/.

2. Rewrite the sentences.

Question 37:  They succeeded in running out of the house into the street before the walls collapsed.  

 They managed to……………. ..............................................................................................................

Question 38: They haven’t provided the victims with food and clothing yet.

 The victims ..............................................................................................................................

Question 39: They provided food then cleared up the debris.  

 After they......................

Question 40: A mechanic is going to service my car tomorrow because yesterday's storm damaged it severely.

 ..............................................

Làm hộ mình với ạ. Mình đang cần gấp. Cảm ơn mọi người.

Mọi nười làm 2 bài này giúp mình với ạ. Mình cần gấp. Mình cảm ơn.