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Vincent van Gogh was a brilliant Dutch painter. He was born in 1853 in the Netherlands. Van Gogh had many different jobs when he was young. But in
the end, he decided to study painting. In 1886, he went to Paris to live with
his brother Theo. Theo was Van Gogh's best friend and always gave his
brother money for food. Van Gogh painted day and night for many hours,
he didn't eat or sleep well enough. Because of this, he soon became sick. In
1889, he moved to the countryside in Arles, in the south of France. In 1890,
he died at the age of 37. During his life, Van Gogh sold only one painting.
But today, his paintings are some of the most popular and expensive works
of art in the world. In his short life, Van Gogh achieved great things and
people continue to admire his paintings today. His most famous work is The
Starry Night (1889).
1. Van Gogh was a teacher when he was young.
2. Van Gogh lived alone in Paris.
3. Van Gogh's brother was also an artist.
4. Van Gogh never got married.
5. Van Gogh met Monet and Gauguin while he was in Arles.
6. Van Gogh sold many paintings when he was alive.
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112110
112110
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вd - высота, кот. делит  δ авс   на два   прямоугольных треугольника авd и dbc

ab и bc - гипотенузы

аd, db, dc - катеты

вd - общая сторона

bd² =  ab²-ad² = bc²-dc² - теорема пифагора

пусть dc - x cм

            ad - (x+11) cм

 

20²-(х+11)²=13²-х² 

400-х²-22х-121=169-х²

22х=110

х=5(см) - dc (проекция наклонной вс)

5+11=16(см) - ad (проекция наклонной ав)

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