Помогите пожалуйста! Дан куб с ребром 1 см. вычислить квадрат диагонали грани Куба. - №29231857

Помогите пожалуйста!
Дан куб с ребром 1 см. вычислить квадрат диагонали грани Куба.
- Предмет:
  Математика
- Автор:
  adalynmontoya
- 6 лет назад

Ответы 1

По теореме ПифагораКартинка во вложении
- Автор:
  huang
- 6 лет назад
- 0
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Jeans
Jeans - a clothing item that is typical in every wardrobe today. One of the
most comfortable and most stylish pieces of clothing, it is liked by one and all,
regardless of age, size, sex, economic background, and so on.
The history of jeans goes as far back as the 16th century when sailors in
Genoa (Italy) wore a material that eventually became the material used in jeans.
The word ‘jean’ derives from the name of the Italian port city Genoa, as it was a
custom to name a material after its place of origin. By the late 16th century, jean
material was already produced in Lancashire, England.
It was the California Gold Rush of 1849 that started the evolution of
American trousers that would one day become blue jeans. The gold miners wanted
clothes that were strong and did not tear easily. The person who suggested an
appropriate type of clothing was a German businessman Levi Strauss, who had
moved to America. Levi Strauss sold many different things but their main product
was a tough canvas material used for tents and wagon covers. Understanding the
urgent need of the gold miners Levi Strauss decided to make trousers out of the
tough canvas he was selling. The miners liked the new ‘working’ trousers, though
they were uncomfortable to wear as the material was too rough.
To improve the trousers for miners, Levi Strauss began looking for a
different material and soon he found a suitable one in France. The material was
called ‘serge de Nimes’. American just called it ‘de Nimes’, and this name soon
became its short form ‘denim’. Denim was a bit lighter and softer than the material
Levi Strauss used for his working trousers. It was very strong and did not wear out
quickly, even after many washes. The trousers made of denim became quite
popular among the miners.
The only problem was that original denim was almost white and the trousers
got dirty as soon as the miners started working! For that reason Levi Strauss
decided to use coloured denim, and he chose dark blue. In 1873 he began to make
dark blue denim trousers with metal fasteners to make them stronger. This was a
radical new idea and ‘Blue jeans’ had arrived!
Levi's jeans were so popular, that his company got bigger and bigger. Other
firms were making blue jeans too. Miners liked them, but so did cowboys and
other working men.
Levi’s jeans were work trousers. Male workers wore them all the time but a
gentleman would not even think of wearing jeans. Things changed when western
movies became popular. All the cowboys wore jeans and people thought they
looked heroic, attractive and cool. Also jeans were greatly popularized in Europe by American off-duty soldiers who wore them during World War II. They made
jeans seem like casual American trousers, a symbol of the American lifestyle.
In the 2000's, the sale of classic blue jeans stopped growing. Young people
were not particularly interested in traditional jeans styles, mainly because of their
parents, who adored jeans. Since no teenager would wear the clothes their parents
were wearing, the latest generation of youth turned to other fabrics and styles.
They still wear denim, but it had to be in new cuts, shapes and styles.

Jeans were named after a city.
1) True 2) False 3) Not stated
Ответ:
Levi Strauss worked as a gold miner for some time.
1) True 2) False 3) Not stated
Ответ:
Levi Strauss began to make trousers for miners from the material which was used
for tents.
1) True 2) False 3) Not stated
Ответ:
Denim was more comfortable to wear than canvas.
1) True 2) False 3) Not stated
Ответ:
The original colour of denim is blue.
1) True 2) False 3) Not stated
Levis Strauss used metal fasteners to make his trousers more fashionable.
1) True 2) False 3) Not stated
Ответ:
Cinema promoted blue jeans to the American upper classes.
1) True 2) False 3) Not stated
Ответ:
Modern teenagers share their parents’ traditional taste in blue jeans.
1) True 2) False 3) Not stated
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