Предмет: Геометрия, автор: lovkach343

В треугольнике ABC угол C равен 90°, CH - высота, AH = 6,75, cosA=3/4. Найдите AB.

Ответы

Автор ответа: OWLEN0K

1

Ответ:

12

Объяснение:

смотрите фото

Приложения:

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Английский язык, автор: JuliyaCar

Помогите кто знает) дам 15 баллов)

2 года назад

Предмет: Русский язык, автор: кирилл1559

в какой строке во всех словах согласныхзвуков больше чем гласных

2 года назад

Предмет: Английский язык, автор: marcusvero

Помогите с заданием по английскому

Correct the wrong sentences.

1) This is the shop who i was telling you about.
2) I've just been to the new mall, that is much bigger than all the other ones.
3) That's the shop assistant I was telling you about.
4) The Grand Bazaar of Istanbul, that I visited last year, is one of the most exciting places I've been to.
5) The car park, who is supposed to be free for customers, charged us €15.
6) My new computer, which cost me £2000, has broken down!

2 года назад

Предмет: Английский язык, автор: Алина605

4. Open brackets using verbs at the right form

a) I (to meet) him when he (to walk) across the park.
b) You ever (to act) on the stage? — Why, yes, that's what I (to do) for the last six years.
c) Don't enter the bedroom! The child (to sleep) there, and he always (to wake) up when somebody (to open) the door.
d) What you (to do) when I (to come) in?
e) When I (to come) to his house, they (to tell) me that he (to leave) an hour before.
f) On checking up his answers he (to find) out that he (to make) several mistakes.
g) When I (to leave) home, the snow already (to stop), but a strong wind (to blow).
h) You (to read) this book? — Yes, I (to read) it. I (to think) it (to be) very interesting.
i) What the children (to do) now? — Oh, they (to play) the new table game which I (to buy) for them the day before yesterday.
j) They (to reach) the corner of the street by now and (to stand) at the bus stop.

8 лет назад

Предмет: Английский язык, автор: Алина605

3. Correct mistakes where necessary

a) Naomi doesn't like big citys.
b) My cousin has gone to the in hospital.
c) I turned towards to the east.
d) This burglar alarm is so sensitive: it goes off if a mouse will run across the floor.
e) George may go to prison unless he won’t pays his taxes

8 лет назад