Предмет: Геометрия, автор: Аноним

ПОМОГИТЕ ПОЖАЛУЙСТА!!!!!!!ОЧЕНЬ СТРОЧНО!!!!!!!!!!! рівняння кола описаного навколо квадрата ABCD якщо А(-5;3),В(-1;6),С(3;2), D(-1;-2)​Зробіть малюнок. На русском:уравнение круга описанного вокруг квадрата АВCD если A(-5;3) B(-1;6) C(3;2) D(-1;-2).Сделайте рисунок​

Ответы

Автор ответа: lvv9136
2

Ответ:

(x+1)²+(y-2)=16

Объяснение:

т  О центр окружности имеет координаты х о=-1; у о=2 - это середина диагонали ВД квадрата .

Радиус - половина диагонали (у в -у д)/2=(6-(-2))/2=4

Уравнение круга

(х-а)²+(у-в)²=r²

(x+1)²+(y-2)=16

Приложения:
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The Reported Speech. The Sequence of Tenses

Упражнение 1

Передайте следующие предложения в косвенной речи.

1 "Tom, go to bed," said his mother.

2 "I have never seen your toys," said Nellie to Pete.

3 "Give me your record book, Nick," said the teacher.

4 Ann said to Lena, "Look at my nice kitten.

5 "We shall go to the zoo tomorrow," said our grandmother.

6 Mother said to Pete, "Don't forget to wash your hands."

7 Nick said to his mother, "I am doing my homework."

8 "I have learnt a long poem," said Mike to the teacher.

9 "Don't play in the street," said the man to the boys.

10 "Why don't you drink your tea?" said my mother to me.

11 "I saw my friend at the stadium yesterday," said Johnny to his mother.

12 "When did you receive this letter?" my friend said to me.

13. "Will you play football with us?" said the boys to Peter.

Упражнение 2

Восстановите прямую речь в следующих предложениях.

1. Mary wondered if Jane would be busy the next day.

2. John asked Mary if raid of thunderstorm.

3. He asked her if she had ever walked in rainy weather.

4. Mary told John that she preferred sunny days.

5. The woman asked her son if he was in a hurry.

6. Ann asked if they would go to the country the next day.

7. Kate asked her friend what she liked to do on her days off.

8. I asked the secretary if I might speak to the headmistress.

9. Nick wanted to know if Helen would give him her book.

10. Tom asked if Jane would go to the Philharmonic with him. Jane asked at what time he was planning to go. Tom said that it would take them long to get there. Jane asked where they would meet.