Предмет: Математика, автор: privikpolystyrene

Геометрия. Теорема Пифагора. Найти x.
Пожалуйста, с решением!!

Приложения:

Ответы

Автор ответа: spidergirlmarvel
1

В первую очередь найдем внутренние углы

180°-135°=45°

180°-135°=45°

если углы прямоугольного треугольника равны 45 то чтобы найти неизвестную сторону используем правило:

гипотенуза этого треугольника равна длины катета умноженного в √2.

Если гипотенуза 11 см,то чтобы найти катет  

х(то есть катет) =11√2

Ответ:х=11√2

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: BOGDAN2006422
Запишите 5 предложений с
однородными второстепенными членами предложения
2 года назад
Предмет: Английский язык, автор: Lecho00
1. Read the text and make it complete choosing the best items to fill in the gaps.
The first Viking to (1) __________ in Iceland was a Norwegian (2) __________, Ingolfur Arnarson, in 874 AD. The Vikings soon found that living in Iceland was just as difficult as living in Scandinavia, because they had to search (3) __________ to find strips of fertile land where crops could be grown and cattle grazed. (4) __________ these hardships and the cold, wet, windy climate, the Vikings settled down, set up farms, built huts and erected houses. About ten years later, though, Viking history began to repeat (5) __________ . In Iceland, as in Scandinavia, good farming land became scarce, food became short and some of the Iceland Vikings began to look further west for new homes. They found them in Greenland, which (6) __________ in 982 AD by Erik the Red. Four years (7) __________ , Erik left Iceland for Greenland with twenty-five ships, full of settlers, but only fourteen ships reached Greenland
(8) __________ . Within (9) __________ years, the Vikings had set up three hundred farms in Greenland, some with as many as twenty cows, (10) __________ goats and (11) __________ and Erik the Red had (12) __________ cows on his large farm at Brattahlid.
The Vikings made (13) __________ butter and cheese to eat, and they found the hunting in Greenland was very good: there were caribou and bears and (14) __________ whales, seals and (15) __________ in the sea.
1. a) come b) place c) settle d) position
2. a) boss b) leader c) president d) chieftain
3. a) hardly b) hard c) heavily d) heavy
4. a) Despite b) In spite c) Though d) Nevertheless
5. a) herself b) himself c) themselves d) itself
6. a) explored b) exploring c) was explored d) was exploring
7. a) latter b) later c) latest d) last
8. a) safely b) safe c) safety d) safeness
9. a) few b) little c) a few d) a little
10. a) well b) as well c) as d) as well as
11. a) sheep b) sheeps c) ship d) ships
12. a) fourty b) forty c) forties d) fourth
13. a) plenty b) plenty of c) a good many d) a great number of
14. a) plenty of b) a lot c) a good deal of d) plenty
15. a) much fish b) many fishes c) many fish d) a lot of fishes
2 года назад
Предмет: Английский язык, автор: cvetkovamrj
Помогите пожалуйста.№9
2 года назад
Предмет: История, автор: kuickle
Где был создан первый российский флот?
8 лет назад
Предмет: Английский язык, автор: 12345677613
пожалуста помогите сделать срочно!
8 лет назад