Длины сторон прямоугольника 27 см и 10 см . Вычисли периметр и площадь этого прямоугольника - №23634925

Длины сторон прямоугольника 27 см и 10 см . Вычисли периметр и площадь этого прямоугольника
- Предмет:
  Математика
- Автор:
  benitez
- 5 лет назад

Ответы 1

Периметр - P Площадь - SP = 2*(a+b)P = 2*(27+10) = 2*37 = 74S = a*bS = 27*10 = 270
- Автор:
  mocha48
- 5 лет назад
- 0
Добавить свой ответ

Еще вопросы

Раскройте скобки, употребляя глаголы в одном из следующих времен : Present Simple, Past Simple, Future Simple, Present Continuous, Past Continuous, Present Perfect, Past Perfect.
1. Mike ( to eat ) ice-cream every day. Look! He (to eat ) ice –cream now. When I (to see) him in the morning, he ( to eat ) ice-cream, too. He ( to say ) he ( to eat ) one ice-cream already by that time. I think he ( to fall ) ill if he ( to eat ) so much ice-cream.
2. They ( to walk ) along the street and ( to talk ). Suddenly Nick ( to stop ) and ( to say ) , “ Oh, what shall we do ? I ( to lose) the door key.” “ If you ( not to find ) it,” said Pete, “ we ( to have ) to wait for your mother.”
3. When I ( to come ) to the station yesterday, I ( to learn) that my train already ( to leave ).
4. What he ( to do ) when you ( to see ) him yesterday ?
5. I ( to give ) you this book as soon as I ( to finish ) reading it.
6. When the ship ( to cross ) the ocean, a great storm ( to break ) out.
7. I never ( to hear ) of her.
8. Her parents ( to have ) breakfast when he ( to phone ).
- Предмет:
  Английский язык
- Автор:
  diesel11
- 5 лет назад
- Ответов:
  
  0
- Смотреть
Номер(3)
Вырази в указанных единицах измирения
- Предмет:
  Математика
- Автор:
  rangeranda
- 5 лет назад
- Ответов:
  
  1
- Смотреть
Определите функцию слов заканчивающихся на ing:
а) Participle I в функции определения;
б) Participle I в функции обстоятельства;
в) Participle I в составе временной группы Continuous;
г) герундий.

1. Frequencies ranging from 300 to 3000 kilohertz are referred to as medium radio frequencies.
2. The alternating current passes through a winding on a permanent magnet, causing the magnetic field.
3. The seven digits are transmitted to the exchange by appropriate dialing.
4. At the moment we are using a modem linked up direct to our computer and the telephone line.
- Предмет:
  Английский язык
- Автор:
  junior72
- 5 лет назад
- Ответов:
  
  0
- Смотреть
Fill in the missing words

John said: “I was very tired yesterday.”

John said that he __________ very tired _________.

She said: “I want to learn to play the piano.”

She said that she ___________ to learn to play the piano.

Kate said: “I got up very early this morning.”

Kate said that she ________________ very early _______________________.

She asked him: “Where do you live?”

She wondered ________________________________________________.

The teacher asked us: “Do you like Russian literature?”

The teacher wanted to know ___________________________________________________.

She said: “I don’t remember him.”

She said that she _____________________ him.
- Предмет:
  Английский язык
- Автор:
  daniel648
- 5 лет назад
- Ответов:
  
  2
- Смотреть

How much to ban the user?

1 hour 1 day 100 years