Предмет: Геометрия, автор: Alina13yearss

Тут изи, но я тупая, помогите найти AB

Приложения:

Ответы

Автор ответа: warhamer00725

сторона противолежащая углу в 30° равна половине гепотинузы

поэтому если сторона BC=4 то так как она противолежит углу в 30° , сторона AB что является гепотинузой будет равна 8

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Литература, автор: kfaspaulia

1. Найдите среди словосочетаний фразеологизмы: медвежья берлога, медвежья услуга; золотые руки, золотые часы; важная деталь, важная птица; выйти из комнаты, выйти из себя; сбивать с толку, сбивать с дерева; белая ворона, белая курица; куры не клюют, птицы не клюют; водой не смоешь, водой не разольешь; собаку покормить, собаку съесть.

2. Составьте и запишите с ними предложения. Значение фразеологизмов в случае затруднений уточните по фразеологическому словарю русского языка.

6 лет назад

Предмет: Алгебра, автор: roma228awp

помогите пажалуйста 5 задач= 50 баллов

6 лет назад

Предмет: Английский язык, автор: abdinara03

1.Find the right sentence in Passive Voice:

А)He is told to be an honest man.

В)I can’t come tomorrow.

С)The lesson were had by us.

D)I haven’t been to Moscow.

E)They played chess well.

2.Find the right variant in Passive Voice: Rafting (to consider) as a dangerous type of sport.

A)is considered

B)considering

C)is considering

D)to be considering

E)was consider

3.'You'll clean up this mess,' Mum said to Claire.
1.Mum said to Claire she would clean up that mess.

A)Mum said to Claire she will clean up that mess.

B)Mum said to Claire she would cleaned up that mess.

C)Mum said to Claire she would have clean up that mess.

D)Mum said to Claire she would have cleaned up that mess.

4.'I had long hair,' Laura said.

A)Laura said she had had long hair

B)Laura said she has had long hair

C)Laura said she did had long hair

D(Laura said she had long hair

E)Laura said she have had long hair

5.
I'm very tired at the moment. I must ___ to getan early night today.

A)Try

B)To try

C)Trying

D)To trying

E)Have to try

6.What ___ to do to get you listen to me?

A)Do I have

B)Have I

C)I had

D)I have

E)You

7. When I was a child, I ____wear a school uniform. It was necessary.

A Had to

B.Must

C.Have to

D.Could

E.Might

8.If you visit New Zealand, you ____want to find out about traditional Maori customs.

A.May

B.Must

C.Should

D.Ought

E.Could

9.Look at that sky. Blue like that and cloudless. It ___rain today, that's for sure.

A.Isn't going to

B Mustn’t

C.Won’t

D.Shouldn’t

E.Couldn’t

10.We use ___ and ___ possible actions or happenings in the future.

A.May/Might

B.Must/Have to

C.Can/Could

D.Should/Would

E.Have to/Don’t have to

11.George can’t come out with us this evening. He __ work late.

A.Has to

B.Have to

C.Should

D.Will

E.Is going to

12.You _____ tell him, but you can if you want to.

A.Don’t have to

B.Have to

C.Must

D.Mustn’t

E.Shouldn’t

13.I don't____use it against you.

A.have to

B.has to

C.must

D.couldn’t

E.mustn’t

14.They ____ know I'd never betray their confidence.

A.have to

B.has to

C.must

D.couldn’t

E.mustn’t

15 When I did my course eight years ago, we__________do practical and written exams.

A.had to

B.has to

C.must

D.couldn’t

E.mustn’t

16.I was terrified because I____________give a player a red card after only five minutes.

A.had to

B.has to

C.must

D.should

E.mustn’t

17.A referee (not)be super-fit like a footballer.

1 doesn't have to

2has to

3 have to

4 should

5.need

18 But I have to pay for it - the government did.

1didn’t

2.has to

3. have to

4.doesn't have to

5.nee

19I don't____use it against you

1.have to

2.has to

3.must

4.couldn’t

5.mustn’t

6 лет назад

Предмет: Алгебра, автор: artelena31

найти область определения y=корень (2-x)(x^2-9) в четвёртой степени

9 лет назад

Предмет: Математика, автор: 380634599634

(7ц50кг-70кг):5кгсколька буде в етам виразэ

9 лет назад