Предмет: Геометрия, автор: hoho45309

Знайдіть довжину кола, якщо радіус його 4,5 см

Ответы

Автор ответа: nikabugajova2

1

Ответ:

Пошаговое объяснение:

R= 4,5 CM

C-? CM

C = 2πR

c = 2 * 3,14 * 4,5 = 28,26 см

Ответ: 28,26 см

Автор ответа: ella2411

1

Ответ:

9п

Объяснение:

по формуле довжина кола с=2пR подставляем вместо R радиус и получаем 9п

Приложения:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: Kolla2011

Помогите пожалуйста решить пример, СРОЧНО! Снизу на фото

1 год назад

Предмет: Английский язык, автор: home54

Bird-watching
The relationship between birds and human beings goes back a very long way - in fact, for thousands of years. Birds have always (1) us with food, but people have only been (2) in bird-watching since the late 1700s. In the following century, the (3) of birds became popular, although in those days it really only (4) collecting birds' eggs. Rich collectors often (5) use of their contacts in other countries, (6) for eggs and birds to be sent to them. (7) the end of the century, people began to realise that birds needed protection. Many people now watched living birds, helped by cheaper equipment for watching them at a distance.
As cars became more common, increasing (8) of bird-watchers started travelling from place to place (9) the country to see birds that were unknown in their own area. And in the 1960s, cheap air travel (10) people to go abroad to watch birds.

1. a) provided
b) given
c) offered
d) delivered
2. a) curious
b) fond
c) keen
d) interested
3. a) search
b) study
c) exploration
d) enquiry
4. a) contained
b) added
c) involved
d) included
5. a) made
b) brought
c) kept
d) took
6. a) requesting
b) insisting
c) asking
d) demanding
7. a) Towards
b) Into
c) Through
d) Over
8. a) quantities
b) amounts
c) totals
d) numbers
9. a) against
b) between
c) around
d) beside
10. a) confirmed
b) encouraged
c) promised
d) excited

1 год назад

Предмет: География, автор: pesuk0508

Клімат Петропавловська-Камчатського
тя і господарської діяльності його жителів таким чином:

1 год назад

Предмет: Алгебра, автор: lddslw1

Выразить одну переменную через другую

6 лет назад

Предмет: Русский язык, автор: tashtemirovdauren

сочинения на тему дистанционное обучение срочно!

6 лет назад