Предмет: Геометрия, автор: terylevina1

ПОЖАЛУЙСТА ПОМОГИТЕ


АВ=АС, ВМ=МС Найдите угол АМВ.

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Автор ответа: рита455
0
это равнобедреный треугольник тогда в неё бисектриса я является высотой и перпендикулярном то ам перпендикуляр к бс следовательно абм равно 90*
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II. Vocabulary (с объяснением выбранной формы)
Fill in the missing words. There are three words that you do not need to use.

display strong remind treats spare bright throw make

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6. Going to Italy on holidays is a … idea.

7. … sure you don’t look in a broken mirror. I’ve heard it’s bad luck.

8. Jack finds it difficult to … long poems.

9. My granny keeps a basket of … to give us when we come to visit her.

10. Take a spare … of clothes with you when you go camping.

11. My aunt always bakes a cake for my birthday as it’s a … tradition in our family.

12. During the Carnival the streets of the city … with festive activities.

13. Some organisations … money for local charities.

14. Please … me to call Linda tonight.

15. In some countries people … streamers and celebrate this festival.

Fill in the correct preposition

16. I’m sick and tired … the hustle and bustle of our city.

17. We are too far from home, so we can’t turn … to get the phone now.

18. Do you still believe … ghosts?

19. The town turn ... a busy cultural centre during the Carnival.

20. Jane is afraid … spiders.

21. Don’t turn … the TV. I want to watch the match.

22. I’m afraid I have to turn … your offer.

23. A lot of people turn … for the conference.

24. Tim is not interested … collecting stamps.

25. I’m sure my mum will be pleased … my results this term.

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26. My train... (leave) at 10.30.

27. I … (learn) English for 9 years.

28. It … (get) colder and colder.

29. Why you … (taste) the soup?

30. She … (go) swimming twice a week.

31. They … (think) of moving houses.

32. There is something wrong with Jane. She … (look) very upset.

33. Tim … (write) several essays so far.

34. Nick is exhausted. He … (working) in the garden.

35. Kate … (see) her friends at 2pm tomorrow.

Fill in the correct relative pronoun / adverb. Put commas where necessary.

36. Our local hospital … my friend’s mother works is very modern.

37. I study with someone … knows my parents.

38. My brother … knows three European languages has decided to learn Chinese.

39. The day … I entered the university is unforgettable.

40. This is the reason … he failed all the exams.

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42. This is our colleague … uncle is the head of the company.

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