Предмет: Математика, автор: ovsyamariy

периметр квадрата дорівнює 9,2 знайди його площу

Ответы

Автор ответа: svetlanavaslarionova

0

Ответ:

Р=4а; а= Р:4; S =a²

a=9,2:4=2,3; S=2,3²=5,29

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Окружающий мир, автор: lena621705

какую птицу называют чёрная борода

1 год назад

Предмет: Русский язык, автор: Ангелинос

Сколько значений у слова КЛЮЧ?

1 год назад

Предмет: Русский язык, автор: владислав0810

как проверить слово колосок парные согласные

1 год назад

Предмет: Математика, автор: vavkinpressents

сколько сердечек на 5 рисунке

7 лет назад

Предмет: Английский язык, автор: gb2003

I. Выберите один из предложенных вариантов ответа: I. Half of my earnings (go / goes) in public utilities payment. 2. The company is going to employ a few (dozen / dozens of) people. 3. She is leaving by (- / the) 2.25 train. 4. Mr. Hubert retired when he was over (seventy /seventies). 5. We had a friendly talk between (the two / two) of us. 6. All flights to Rome depart from (the Terminal Four / Terminal Four). twenty-four 7. I just need to borrow some (hundred / hundreds) of pounds. 8. (The Fifth / Five) Amendment to the Constitution was under steady reactionary fire. aals three 9. The document should also be signed by (the third / a third) person. 10. He graduated from the University in (the year / year) 2007.
II. Выберите один из предложенных вариантов ответа: 1. I've told you not to do that.
a. thousand times
b. a thousand times
c. a thousand time
d. thousands times
2. A drop of water consists of atoms.
a. millions of
b. millions
c. million of
d. million .
3.passengers were injured.
a. The fourth of
b. The four
c. Four of
d. Four of the
4. runners were well ahead of the others.
a. The first three
b. First three
c. The three first
d. Three first
5. The students' meeting is supposed be held in .
a. the office 15
c. office 15
b. the office I
d. an office 15
6. The total population of Minsk is over two .
a. hundreds millions people
c. hundred million of people
b. hundred million people
d. hundred millions of people
7. He began to feel more financially secure in his late a. fifty b. fifties c. fiftieth d. fiftieth's 83

7 лет назад