В равнобедренном треугольнике ABC с основание AC боковая сторона AB = 14, А cos угла A = Корень из 3, деленное на 2. (Заметка:угол A = 30 градусов) Найти высоту, проведенную к основанию.

*Корень из 3, деленное на 2 -  [tex]\sqrt{3}/2[/tex]

 

 

 

 

 

 

 

Rewrite the following questions in the passive voice,вот пример:

Who invented the camera?(Active voice)-> Who was the camera invented by?(Passive)

Have theu found the missing girl?(Active)->Has the missing girl been found(Passive)

Where did they buy the tickets(Active)->Where were th tickets bought?(Passive)

вот эти решите:

1)When will they stage the show?

2)Had they prepared the costumes before the director arrived?

3)Did they translate the play?

4)Did Andrew Lloyd Webber write the music?

5)Will steven Spielberg direct the film?

6)Who designed the first pair of jeans?

7)What caused the fire?

8)Who invented the television?

9)What do you use silver for?

Брусок окрасили со всех сторон.Сколько краски было израсходованно,если известно,что на 1дм квадратный требуется 3 г. Высота 5 см,ширина 20см,длина 30см.

Преобразуйте из Active в Passive voice:

1)The company employs three hundred people.

2)I am afraid(cameras,not allow)...in the museum.

3)(It / not clean / for days)...

из Active в Passive voice:

4)You can not use cameras in the museum.

5)When will they put on the play?

6)Has Brenda sent the invitations yet?

7)Did Louis Vuitton design this handbag?