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Катети прямокутного трикутника дорівнюють 16 см і 12 см.Знайти медіану проведену до гіпотенузи?
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Предмет:
Геометрия -
Автор:
hot pepperofpa - 5 лет назад
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Ответы 1
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гипотенуза равна 20опускаем высоту равную 8 (по теореме Пифагора) потом находим медиануответ:10
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Автор:
laci - 5 лет назад
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Еще вопросы
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Ответьте на следующие вопросы. (В ответах используйте свои собственные предложения):
1. Who will tell you about the Priestleys' house?
2.How old is Mrs.Priestley?
3.What colour are her eyes and her hair?
4.What does she manage very well?
5.How many children have the Priestleys?
6. What are thair names?
7.How old is John and where is he?
8.What is he studying to be?
9. What is he fond of?
10. What colour is Margaret's hair?
11. What does she do?
12. Is Mr.Priestley fond of her?
13.Who does the cooking in the Priestleys' house?
14.What time does Lizzie get up?
15.What time do you generally go to bed?
16.Do the Priestleys have an early breakfast ?
17.Where do they have breakfast?
18.What does Mrs.Priestley do after lunch?
19.What do they have for tea?
20.When will Mrs.Priestley tell you more about the house?
Вот текст:
Mrs Priestley and Some Others
You already know Mr. Priestley, the teacher and writer. In this lesson you will hear about his wife, Mrs. Priestley, the Priestleys' house, and some of the people in the house. Mrs. Priestley knows all about the house; she does the work in it every day, and to-day she will tell you a little about it.
Mrs. Priestley is a pleasant-looking woman of about forty, with warm brown hair and soft dark-brown eyes. She is kind and gentle, but she manages her house (and, in her quiet way, her husband) very well. He is, of course, a clever men, but a little unpractical, and he needs Mrs. Priestley to look after him. Mrs. Prieestley, on the other hand, is very practical and full of common sense.
The Priestleys have two children, John and Margaret. John is eighteen, six foot tall, and a fine manly fellow. He is at the university and is studying to be a doctor. He is a clever, hard-working student, a first-class footballer, boxer, and runner. He is strong both in body and character, and quiet and thoughtful like his father. He will make a good doctor.
Margaret is only eleven. She is a lovely little girl with golden hair and dark blue eyes and a spirit that is always bright ans happy, full of joy and gaiety. She isn't fond of study of any kind, but she loves music and dancing and she sings very prettily. She is like a ray of sunshine in the house. Mr. Priestley is very fond of his son John and very proud of him; and Margaret is the apple of his eye.
But here comes Mrs. Priestley. "Good morning, Mrs. Priestley; how are you?"
Mrs. Priestley: Good morning, everyone. I'm very well, thank you. You want to know about my house. Well, I am very pleased to be here and I will gladly tell you something about it.
The house is rather big, and there is a lot of work in it, so I can't do everything alone. I have Susan and Lizzie to help me with the work.
Lizzie is our cook, and she is a very good cook, but she is no good at all at housework. Now, Susan is very good at housework, but she can't cook at all - she can't even boil an egg.
But that is all right, for Lizzie gets on with her cooking, and Susan and I do the housework - and, believe me, we all work very hard.
Susan and Lizzie get up at a quarter to seven, and make the fires and open the windows. I get up at half past seven, and so does my husband, in time for breakfast at eight o'clock.
We have breakfast in the breakfast-room. I like to begin the day well, so our breakfast is always a good one.
My husband reads his newspaper and smokes a cigarette with his last cup of tea, before he begins his work at nine o'clock.
Then Lizzie and Susan begin to clean the house, wash up, make the beds, and get the vegetables redy for lunch. We have lunch at one o'clock.
After that I do some sewing, or go out for a walk, or go to see people.
We have afternoon tea about five o'clock, but for that we don't go into the dining-room. we go to the sitting-room, and Susan brings in the tea with plates of bread and butter and small cakes.
After tea we sit and talk or listen to the wireless or read. Sometimes we go to the cinema or the theatre. About seven or eight o'clock I generally go to bed, but my husband likes to sit up late and read or write, in his study. Well, that is all for the present. I will tell you more about the house some other time.
Спасибо:)-
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Английский язык -
Автор:
grover - 5 лет назад
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Ответов:
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Предмет:
Русский язык -
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