В кубе ABCDA1B1C1D1 укажите плоскости, просящие через вершины, перпендикулярные плоскости A1B1C1 - №24914762

В кубе ABCDA1B1C1D1 укажите плоскости, просящие через вершины, перпендикулярные плоскости A1B1C1
- Предмет:
  Математика
- Автор:
  eliashunt
- 5 лет назад

Ответы 1

AA1D1D и BB1C1C Начерти куб, обозначь вершины и увидишь
- Автор:
  ticklebutt
- 5 лет назад
- 0
Добавить свой ответ

Еще вопросы

В телешоу мы услышали такой диалог о моде:

– Продолжая тему бабьего лета...
– Скорее женского лета...

На чем основан комический эффект диалога?
- Предмет:
  Русский язык
- Автор:
  riley591
- 5 лет назад
- Ответов:
  
  1
- Смотреть
Що є спільного у будові атомів елементів з порядковими номерами 6 і 9:
а) заряд ядра;
б) кількість електронів;
в) кількість енергетичних рівнів;
г) кількість електронів на зовнішньому енергетичному рівнi
- Предмет:
  Химия
- Автор:
  marcellak0or
- 5 лет назад
- Ответов:
  
  1
- Смотреть
Раскройте скобки, употребляя глаголы в нужной форме.
1. Cora (to want) to have a dog. She says "If I (to have) a dog, I (to have) a friend". When she (to come) from school in the afternoon, she (to decide) to ask her mother to let her to have a dog.

2. He (not to sleep) that night. He (to think) till the morning: his head (to be) full of thoughts. When the morning (to come) he (to take) decision at last.

3. After we (to say) good-bye to the old man we (to go) out of the house. It (not to be) anybody in the street. The sun (to shine) brightly in the sky.

4. "I (to clean) my room and (to put) everything in its place", she said. "You see, now I (to go) away".

5. When I (to look) at my friend, I (to see) that he (to smile) from ear to ear. He (to read) a funny story.

6. My parents (to look) at me as I (to come) in. "Where you (to be)?" exclaimed my mother. "We (to wait) for you since five o'clock". She (to be) very angry with me.

7. It (to be) a nice party last night. Everybody (to dance) and (to be) happy. My friend (to bring) great music.

8. If he (not to have) the money tomorrow, they (to give) this puppy to another boy and he never (to see) him again.

9. Last night John (to be) at his sports club. He (to think) he (to recognize) a girl who (to come) into the gym. "I (to think) I (to see) you somewhere before," he said.

10. Yesterday my father (to want) to telephone his old friend. They (not to see) each other for ages. My father (to think) that he (to forget) his telephone number.

11. Two hours ago we (to speak) in my room. We (to hope) that nobody (to hear) our conversation.

12. Right now he (to need) to improve his social English for his job.

13. Yesterday, I (to come) to my dentist. I (to wait) for him in the reception. When his secretary (to come), and (to offer) me to read a magazine I (to refuse) as I (to wait) for him for fifteen minutes and (to read) all the magazines.

14. As a teenager she (to be) a shy person but she (to become) very self-confident after she (to return) from a year abroad.

15. Last morning, when Beth (to look) out of the window, she (to realize) that it (to snow) all night. Beth (to decide) she (not to go) for a walk at three o'clock.
- Предмет:
  Английский язык
- Автор:
  mindydyer
- 5 лет назад
- Ответов:
  
  1
- Смотреть
Обчислити площі фігур обмежені лініями:
1)у=√х, х=4,у=0
2)у=2-х^3,у=1,×=-1×=1
3)у=×^2-4х+4,у=4-×^2
- Предмет:
  Алгебра
- Автор:
  jaidenrose
- 5 лет назад
- Ответов:
  
  1
- Смотреть

How much to ban the user?

1 hour 1 day 100 years