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Диагонали ромба относятся как 50 3:4 а сторона равна 50 см.Найдите диагонали и высоту ромба
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Предмет:
Геометрия -
Автор:
damienspencer - 5 лет назад
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Ответы 1
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d1/d=3x/4xd1=3d/44*2500=d^2+9d^2/1610000=25d^2/16160000=25d^2d^2=160000/25d^2=6400d=80d1=3×80/4=6060×80/2=h×502400=50hh=48
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Автор:
jerrymorton - 5 лет назад
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0
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По данному тексту напишите ответы на вопросы. Robert Louis Stevenson was born in Scotland in 1850. As a child his health was poor, and he spent a lot of time ill the bed. His nurse filled the logn days by narrating stories packed with drama and action. Stevenson always remembered the stories, and admitted that they had an impact on his writing style. Stevenson"s illness continued throughout his life, and he travelled widely looking for a place with a climate warm enough to benefit his health. He even moved to Samoa, which is an island in the Pacific Ocean. But Stevenson"s best known islands comes from his imagination, when he drew a map of an island to keep his son happy. The stories he wrote to accompany it became one of literature"s most exciting adventure novels: Treasure Island. Вопросы: 1 where was Robert Louis Stevenson born? a)Ireland. b) The USA. c) Wales. d) Scotland 2 what century was he born in? In the .... century a) 17th. b)18th. c)19th. d)20th. 3 what did hid nurse do? She ... the stories a)said. b)spoke. c)wrote. d)narrated. 4 what kind of stories were they? a)Dull. b)Funny. c)Romantic. d)Dramatic. 5 did the stories influence the writer? .... a)Yes, they do. b)Yes, they did. c)Not at all. d)No,they didn"t 6 what kind of weather was good fot his health? a)Frosty. b)Damp. c)Warm. d)Windy. 7 why did Robert Louis Stevensomn travel? To... a)see the world. b)study languages c)enjoy nature. d)improve his health 8 what did the writer do for his son? He... a)built a ship. b)drew a map. c)made a toy d)sang. 9 did Treasure Island exist in reality? a) No, it did. b)Yes, it is. c)Yes, it was. d) No, it didn"t.
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Автор:
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Ответов:
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