Предмет: Геометрия, автор: gb03041966

в прямоугольном треугольнике ABC с прямым углом C,CH -высота уголом A=62. найти угол B угол ACH и угол HCB

Ответы

Автор ответа: прст

угол В = 90 - угол А (62) = 28
угол АСН = угол В=28
угол НСВ = угол А=62

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: barbara91

. Прямокутник. Обчислити а, якщо P= 98м, в = 23м.
a) 75 м; б) 150 м; в) 44 м; г) 26

7 лет назад

Предмет: Английский язык, автор: Ivanna0713

10 речень легких і не великих про Україну на англійській мові Срочно

7 лет назад

Предмет: Английский язык, автор: aymanmuratova86

34 Where will you have a … General Linguistics?
A lecture to
B lecture on
C lecture in
D lecture with
E lecture from

35 What mark did you … for the dictation ?
A got
B getting
C gets
D to get
E get

36 They work hard … their pronunciation and grammar.
A At
B for
C with
D In
E Of

37 Kausar fell … the group. It took her a week to catch up with the group.
A between
B behind
C with
D To
E near

38 Now she is very strong … this subject.
A At
B On
C Of
D In
E with

39 Lectures … English literature are very popular __ our students.
A in/ for
B on /with
C at/ to
D at/ of
E on/ in

40 Yesterday we had a … in English.
A Subject
B Seminar
C Lecture
D Class
E Lessons

41 If I … my exam in English I’ll be very happy
A Take
B Fail
C Pass
D Begin
E Finish

42 It’s high time to start reading … … your exams.
A in/to
B up/ for
C for/in
D for/ up
E up/in

43 Don’t miss classes, otherwise you may fail … English.
A On
B At
C Of
D In
E With

44 What subject are you weak …?
A In
B On
C Of
D At
E For

45 I’m afraid he’ll … in English. He works by fits and starts.
A Pass
B Fail
C Finish
D Take
E Come

46 … your friend already passed her exams?
A Have
B Has
C Had
D Are
E Were

47 Don’t worry about him. He is very… at English.
A Bad
B Well
C Ill
D Good
E Sick

48 What lecture shall we have … Tuesday?
A At
B Of
C In
D On
E For

49 We … for half an hour in the supermarket yesterday.
A queue
B queued
C to queue
D queues
E queuing

50 I go to work … train.
A with
B In
C For
D By
E On

51 He doesn`t have a car so he often uses public….
A Taxi
B transport
C Car
D Bus
E Train

52 Jane is a vegetarian. She … meat.
A sometimes eats
B never eats
C often eats
D usually eats
E always eats

53 Tom … video games. He usually does his homework in the afternoon.
A does play
B isn’t play
C isn’t usually playing
D doesn’t often play
E aren’t playing

54 I don’t like going by car. If I have a chance, I always go on … .
A Feet
B Footies
C Foots
D Feets
E Foot

55 Our two … are crying all the time.
A Babies
B Babys
C Babiys
D Babyes
E Baby

56 Gina is married to John. He is her … .
A husband
B Uncle
C Wife
D Parent
E brother

57 When … thunderstorms in Almaty?
A are there
B there are
C is there
D has there
E have there

58 I took your aunt for your … .
A Sister
B Uncle
C nephew
D brother
E grandfather

59 Can you … the man for the police?
A Talk
B Tell
C imagine
D Speak
E describe

60 I want … to London, please. Which train must I take?
A a morning paper
B a suit-case
C a bookstall
D A ticket
E a luggage

61 If you are in a hurry and don’t want to travel by a stopping train you can take a … train.
A express
B through train
C local train
D stopping train
E long distance train

62 She is neither very … nor … . I think she is of medium height.
A slim/short
B high/ tall
C long/ short
D tall/ short
E long/high

63 Her hair is … .
A Fair
B Snub
C turned-up
D deep-set
E Slim

64 Are sisters and brothers always … ?
A resemble
B Like
C take after
D Alike
E look like

65 Is her hair … or …?
A long/slim
B high/short
C high/long
D long/short
E tall/high

66 Is her hair … or wavy?
A straight
B Stout
C Slim
D plump
E slender

67 Will you … these brown shoes?
A try to
B try back
C try in
D try with
E try on

7 лет назад

Предмет: Математика, автор: Машуля1234567

При сушке из 10 кг свежих яблок получается 1кг 500 г сушеных. Сколько сушеных яблок получится из ТОННЫ свежих?

10 лет назад

Предмет: Обществознание, автор: dianaspez

как называют искусственное углубление на земле заполненное водой озеро водохранилище или пруд

10 лет назад