Куб вписан в шар с диаметром корень 27 см. Найдите объем куба? - Знания.site

Куб вписан в шар с диаметром корень 27 см. Найдите объем куба?
- Предмет:
  Геометрия
- Автор:
  zechariah
- 5 лет назад

Ответы 1

d=√27=3√3
d²=a²+a²+a²
d²=3a²
d=a√3 =3√3 => a=3 см
Vкуба=a³=3³=27 см³
- Автор:
  chief95
- 5 лет назад
- 0
Добавить свой ответ

Еще вопросы

Найдите высоту,проведённую к основанию равнобедренного треугольника,если основание равно 12,а угол при основании равен 30
- Предмет:
  Алгебра
- Автор:
  lilianhubbard
- 5 лет назад
- Ответов:
  
  2
- Смотреть
Решите вариант по Химии.98 баллов(Не беритесь если не знаете как решать)
- Предмет:
  Химия
- Автор:
  jasminepratt
- 5 лет назад
- Ответов:
  
  2
- Смотреть
1)Would you like to go _____ cinema with us next week?
a. in the
b. to the
c. to

2)I've got some tickets ____ ballet. Shall we go?
a. for
b. for a
c. for the

3)Monica is a great _____.
a. art lover
b. lover of the art
c. arts lover

4)At the cinema I don't like sitting too near the _____.
a. stage
b. screen
c. film

5)The best ____ in the film is when Peter meets Cristina
a. act
b. scene
c. place

6)The audience enjoyed the play and they _____ for fifteen minutes
a. applauded
b. screamed
c. saluted

7)The average _____ watches television for about 15 hours a week
a. observer
b. spectator
c. viewer

8)I'm not in the mood _____ tonight.
a. for going
b. for going out
c. of going out

9)Hoe long have you been _____ this play?
a. practising
b. repeating
c. rehearsing

10)The _____ of the film was a traditional French village.
a. place
b. location
c. setting
- Предмет:
  Английский язык
- Автор:
  roman54
- 5 лет назад
- Ответов:
  
  1
- Смотреть
A. Why are you looking out of the window?

B. I think there's _____ in the house opposite.

2.     A. Are you going _____ this summer?

B. We haven't decided yet.

3.    A. I'm so bored. There isn't ______ to do in this town!

B That's not true. There are lots of things to do.

4.    A. I phoned your office at 2.00 today, but _______ answered.

B. Sorry. We were all at lunch.

5.     A. Where did you go last night?

B .I didn't go _______ . I was too tired. I stayed in.

6.     A.____ told me that their new album is very good.

7.    B. Really? I don't know _____ who likes it.

8.    A. Did you buy _____ this afternoon?

B. No, I found _____ that I liked.

9.    Have you read ______ on this topic?

10.    A. Where are the keys?

B They're ____ in the kitchen.

:)
- Предмет:
  Английский язык
- Автор:
  pabloweeks
- 5 лет назад
- Ответов:
  
  1
- Смотреть

How much to ban the user?

1 hour 1 day 100 years