Предмет: Математика, автор: vladasevast

радиус круга 8см ,найти площадь сектора этого круга ,если градусная мера его дуги 54 °​

Ответы

Автор ответа: Tural009
1

Ответ:

Пошаговое объяснение:S=Пr²=3,14*64=200,96см²

54*200,96:360=30,144см²

vladasevast: ответ должен бить 48/5п см
nancytahanlebanon: Sсек.= П*R^2*n°/360
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: mmilana126


1. Fill in the gap: My mother _________ dinner every evening.

a) cook

b) cooks

c) is cooking

d) cooked

e) will cook

2. Fill in the gap: He ______ free every week.

a) is

b) were

c) will to be

d) to be

e) be

3. Translate the following sentence: Мой брат пойдет домой через 5 минут.

a) My brother comes home in 5 minutes.

b) My brother won’t go to home in 5 minutes.

c) My brother won’t be go home in 5 minutes.

d) My brother will go home in 5 minutes.

e) My brother went home in 5 minutes.

4. Transform the following sentence into a Who question: My parents flew to Turkey last week.

a) Who flews to Turkey last week?

b) Who flew to Turkey last week?

c) Who flies to Turkey last week?

d) Who is flying to Turkey last week?

e) Who will fly to Turkey last week?

5. Complete the sentence: They ____________ a new house next year.

a) bought

b) buy

c) will buy

d) buys

e) is buying

6. Transform the following sentence into a tail question: We will live in Germany in 2 years.

a) We will live in Germany in 2 years, won’t they?

b) We will live in Germany in 2 years, will they?

c) We will live in Germany in 2 years, will not they?

d) We will live in Germany in 2 years, not will they?

e) We will live in Germany in 2 years, they?

7. Fill in the gap: I____________ 2 days ago.

a) read a book

b) reads a book

c) will read a book

d) won’t read a book

e) am reading a book

8. Fill in the gap: Where ______ you yesterday?

a) were

b) was

c) will be

d) are

e) be

9. Complete the sentence: My sister ____________Europe last year.

a) decide not to go

b) decided not to go

c) decided not to go to

d) will decide not to go

e) decides not to go to

10. Transform the following sentence into negative: We are at home now.

a) We aren’t be at home now.

b) We isn’t at home now.

c) We will at home now.

d) We weren’t at home now.

e) We aren’t at home now.

11. Translate the following sentence: Она хочет жить в Америке.

a) She wants live in America

b) She wants to live in America

c) She want live in America

d) She wants lives in America

e) She wanted live in America

12. Translate the following sentence: Мои друзья поедут в Россию на следующей неделе

a) My friends will go to Russia next week

b) My friends went to Russia last week

c) My friends go to Russia every week

d) My friends are going to Russia right now

e) My friends will be go to Russia next week

13. Translate the following sentence: Почему ты ходил в больницу вчера?

a) Why you went to the hospital yesterday?

b) Why you go to the hospital yesterday?

c) Why were you go to the hospital yesterday?

d) Why did you went to the hospital yesterday?

e) Why did you go to the hospital yesterday?

​
6 лет назад
Предмет: Геометрия, автор: FazzzyDS
Найдите градусную меру дуги AnB, если известно, что угол A треугольника ABC равен 25°.
6 лет назад
Предмет: Химия, автор: zvm2017
легко испаряющее твердое взрывоопасное вещество x с массовой долей углерода 0,4 - 0,5 поместили в колбу бунзена и откачали воздух до общего давления 0,02666 бар. В колбе образовалась безцветная, жидкость y массовой долей водорода 0,05-0,06 и резким запахом, которая применяется для очистки воды и как средство для дезинфикации. Молярные массы веществ г моль -1x и y составляют
6 лет назад
Предмет: Математика, автор: human9
делители числа 241:
помогите :з
9 лет назад
Предмет: Математика, автор: ksenia19852910
в 5 коробках 30 тюбиков с зубной пастой,во всех поровну. сколько таких тюбиков с зубной пастой в 9 таких коробках ?
9 лет назад