Предмет: Геометрия, автор: aderkac175

Основи трапеції 5 см і 13 см, а бічні сторони - 7 см і 9 см. Чому дорівнює середня лінія? Допоможіть будь ласка ​

Ответы

Автор ответа: zmeura1204
2

Ответ:

Середня лінія трапеції дорівнює 9см.

Объяснение:

а=5см верхня основа.

b=13см нижня основа.

m- середня лінія.

m=(a+b)/2=(5+13)/2=18/2=9см

aderkac175: велике дякую))
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Литература, автор: andrezw555
?! Вопросы и задания 1. Кто является героем произведений А.Г. Алексина? Чему учат книги писателя? 2. Прочтите отрывок из повести А.Г.Алексина. Найдите выражения, которые подчеркивают состояние влюблен- ности мальчика. 3. Побеседуйте по вопросам: а) Как Лиля испытывала» своих одноклассников, б) Помнила ли она о том, что в феврале этого года нет двадцать девятого числа? в) Какое из испытаний, устроенное ею мальчикам, было самым жестоким? 5. 4. Подумайте, к какому выводу пришел герой рассказа. Объясните пословицу: «Красив TOT, КТО красиво поступает». Как связана эта пословица с содержанием отрывка из повести? ​
1 год назад
Предмет: Английский язык, автор: elinasinko89
Task 2. Grammar. Put the adjectives in correct form (comparative or superlative) 1. New York is (big) than Kostanay. 2. Travelling by train is the (safe) way to see the World Translate sentence using one of the structures (not as....as, as....as, much-comperative less+comparative) 3. Город Нур-Султан не такой густонаселенный как город Алматы Put correct relative pronoun (that, who, whose, which) to make a relative clause: 4. The motorbike 5. That's the girl on a car park, belongs to Aidyn. father is a doctor.​
1 год назад
Предмет: Українська література, автор: kirikzakoreckij
ДАЮ 50 БАЛЛІВ А ЕЩЕ МОГУ НАКИНУТЬ А. Дімаров " Блакитна дитина" (Самостійний твір)
Скласти питання до частини Самостійний твір (" " Блакитна дитина")


ДАЮ БАЛЛІВ БАГАТО
1 год назад
Предмет: История, автор: romanovskystarp3of16
Очень легкий вопрос для тех кто разбирается в Истории России!


Назовите любую повесть (одну) написанную в 17-ом веке в России, про поход Ермака

(Название + автор)
7 лет назад
Предмет: Английский язык, автор: natalianikuliceva
Нужен перевод, пожалуйста)
The other day my friend George came to see me and brought a small book with him. It was a guide to English conversation for the use of foreign travellers. George said: “My idea is to go to London early on Wednesday morning and spend an hour or two going about and shopping with the help of this book. I want one or two little things — a hat and a pair of bedroom slippers.”

On Wednesday we arrived at Waterloo station and went to a small boot shop. Boxes of boots filled the shelves. Black and brown boots hung about its doors and windows. The man, when we entered, was opening with a hammer a new case full of boots. George raised his hat, and said “Good morning.”

The man did not even turn round. He said something which was perhaps “Good morning” and went on with his work. George said: “I have been recommended to your shop by my friend, Mr. X.”

The answer to this in the book was “Mr. X. is a worthy gentleman; it will give me the greatest pleasure to serve a friend of his.”

What the man said was: “Don’t know him; never heard of him.”

This was not the answer we expected. The book gave three or four methods of buying boots; George had selected the most polite of them centred round “Mr. X.” You talked with the shop keeper about this “Mr. X.” and then you began to speak about your desire to buy boots, “cheap and good.” But it was necessary to come to business with brutal directness. George left “Mr. X,” and turning back to a previous page, took another sentence. It was not a good selection; it was useless to make such a speech to any bootmaker, and especially in a bootshop full of boots.

George said: “One has told me that you have here boots for sale.”

For the first time the man put down his hammer, and looked at us. He spoke slowly. He said: “What do you think I keep boots for — to smell them?”

He was one of those men that begin quietly and get more angry as they go on.

“What do you think I am,” he continued, “a boot collector?

What do you think I’m keeping this shop for — my health? Do you think I love the boots, and can’t part with a pair? Do you think I hang them about here to look at them? Where do you think you are — in an international exhibition of boots? What do you think these boots are — a historical collection? Did you ever hear of a man keeping a boot shop and not selling boots?

Do you think I decorate the shop with them? What do you think I am — a prize idiot?”

I have always said that these conversation books are practically useless. We could not find the right answer in the book from beginning to end. I must say that George chose the best sentence that was there and used it. He said: “I shall come again, when, perhaps, you have more boots to show me. Till then, goodbye.”

With that we went out. George wanted to stop at another boot shop and try the experiment once more; he said he really wanted a pair of bedroom slippers. But we advised him to buy them another time.

(After Jerome K. Jerome)​
7 лет назад