Предмет: Геометрия, автор: kopet0

Решите пожалуйста задачу!!!!!!!!!!!!!!!!!!!!!!!!

Приложения:

Ответы

Автор ответа: Аноним

Ответ:

Объяснение:

∠В=180-90-60=30°.

АС катет лежит против угла в 30 град.

АВ=4*2=8.

В прямоугольном треугольнике медиана (высота) равна половине гипотенузы:

АВ=6*2=12.

∠А=2х;∠В=х.

2х+х+90=180.

3х=90.

х=30°.

АС=14/2=7.

МР-средняя линия треугольника.

МР=10/2=5.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: ajsigudltekinn

6. Яка з наведених точок не належить жодній з осей координат ? (Баллов: 2) О (0; 0) О (0; 2) О (2; 0) О (2; 2)СРОЧНО!!!

5 лет назад

Предмет: Английский язык, автор: Zxcvbnmlop

Match the questions with the replies.

1. Could I have your pen for a moment?
2.See you!
3.How do you do?
4. How are things?
5. How are you doing?
6. Here’s your coat.
A. Fine, thanks.
B. How do you do?
C. Bye!
D. Here you are.
E. Not bad, thanks.
F. Thanks.

Put the dialogue in the correct order.
1.Mother: Tim! Look at the mess!
2.Tim: But Mum! I will do it at the weekend.
3.Tim: Sorry, Mum. I was busy.
4.Mother: All right. But right now, you should take the dog for a walk and wash the dishes.
5.Mother: Well, you are always busy when I ask you to keep your room tidy.
6.Tim: Sure, Mom. Don’t worry about that.
Use the words below to complete the exchanges.
chemist’s, flat, bank, baker’s, corner shop, newsagent’s, café, grocer’s,
1)..A: Hi, Carol. Would you like to go to a……… for a cup of coffee?
B: Sure, but first I have to go to the……… to get some money.
2). .A: I need to buy some bread. Is there a…… nearby?
B: Yes, it’s next to a …….. down the street where you can buy your fruit and vegetables.
3). .A: Could you give me directions to the….. ? I need to buy some chewing gum.
B: I’ll go with you. It’s opposite the……. where I buy the paper.
4). A: I feel terrible! I should go to the…… to get some aspirin.
B: You can’t leave your… in this cold weather! I’ll go and get some for you.
Complete the exchanges with the phrases.

Oh, that’s horrible! Is everything all right?
That’s a thought! Surely not!
A: What about going to the cinema tonight? B:………
A: I had a nightmare last night. B: ………
A: Joe has been staying in France for two weeks now. B: ……………. I saw him yesterday in front of the cinema.
A: …………… B: No, someone has stolen my bike.
Match the phrases to what they express.

Expressing agreement: Expressing disagreement:

1.You could/might be right.

2. Do you really think so?

3. That’s a thought.

4. You’re absolutely right.

5.That can’t be right!

6.I doubt that.

7.Surely not!

8.You must be joking!

Complete the dialogue with the sentences A-F.

1.Lucy: Hey Kim, I’m glad I’ve bumped into you! Do you fancy coming out to that new nightclub tonight?
2.Lucy: Oh, Kim! You’ll be the odd one out! Everyone’s going!
3.Lucy: Look, don’t worry! You can spend the night at my house. Just tell your parents we’re studying together.
4.Lucy: Oh, come on Kim! It’s no big deal. I do it all the time!
5.Lucy: Well… it’s your loss! Let me know if you change your mind.
6..Lucy: Well, suit yourself! I’ll call you tomorrow
A.Kim: No, I really can’t. They trust me and I really don’t want to let them down.

B. Kim: Thanks, but I’m not coming, no matter how hard you try to persuade me!

C. Kim: Sure. Have fun!

D. Kim: I know, but my parents don’t let me stay out so late on a school night.

E. Kim: Oh no, Lucy, I couldn’t lie to my parents.

F. Kim: Err… well, I was planning to study actually…
V. Match the sentences with their Russian equivalents.

1.You lucky thing! 2.What a coincidence! 3.That’s not the point! 4.That’s a load of rubbish! 5.Lucky for us!

a. К счастью для нас! b. Какая чушь! c. Везет тебе!
d. Не в этом дело! e. Какое совпадение!
VI. Put the exchanges in the correct order to make up a dialogue.
1.Let's start right now. Who's going to pick up the first piece of litter?
2. You know I’ve just had a brilliant idea. Why don't we start a clean-up campaign?
3.I can't believe how much litter there is everywhere!
4.That's a great idea. We could pick up litter and clean up our neighborhood at the same time.
5.You’re right. Our streets are covered with litter.

5 лет назад

Предмет: История, автор: darinapuskar18

1. Що таке плем'я?
2. Хто очолював плем`я слов`ян?
3. Які повноваження вождя?
4. Що таке дружина?
5. Городища - це......?
6. Назвіть поширені у слов`ян види ремесел?
7. Капища- це......?
8. Ідол- це.....?
9. Волхви- це.....?
10. Яке вірування було у слов'ян (назва)?
'11. Даждьбог- бог ...? Ярило-? Поревит-?
Сварог-? Велес-? Перун-?
Даю 35 балів

5 лет назад

Предмет: Алгебра, автор: HoSmint

Если можно быстрее!
Решите уравнение 17/х+16=15/х-14

8 лет назад

Предмет: Математика, автор: kiki2004

Решите дробь 1/10 и 1/20

8 лет назад