Предмет: Геометрия, автор: 081299

40 баллов! Помогите пожалуйста!
серединный перпендикуляр к стороне вс треугольника авс пересекает сторону ас в точке в d. Изестно что bd=15 см ас=18.5 см найдите отрезки ad и dc. С рисунком , если можно/ Gj;fkeqcnf

Ответы

Автор ответа: mymurkin

т.к. Д - точка серединного перпендикуляра, то ВД=СД=15 (все точки серединного перпендикуляра равноудалены от концов отрезка)
АД=АС-СД=18,5-15=3,5 см

Приложения:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: dimaobl33

ДАМ 30 БАЛЛОВ пожалуйста помогите поставить слова в нужном времени
Помогите поставить слова в нужном времени ,прошу,так как я новичок,ещё не особо разобралась как повышать балы за ответ
11 That is Mr Minus, who teaches me mathematics, but he (not have) time to teach me much. I only (be) in his class for a week.
12 You (hear) his speech on the radio last night? -Yes, I . . . -
What you (think) of it?
13 I (not know) that you (be) here. You (be) here long?-Yes, I (be) here two months. —
You (be) to the Cathedral? ~ Yes, I (go) there last Sunday.
14 You ever (try) to give up smoking? -
Yes, I (try) last year, but then I (find) that I was getting fat so I (start) again.
15 You (see) today's paper? -
No, anything interesting (happen)?
Yes, two convicted murderers (escape) from the prison down the
road.
16 Mary (feed) the cat?-
Yes, she (feed) him before lunch. ~ What she (give) him? -She (give) him some fish.
17 How long you (know) your new assistant?-I (know) him for two years. —
What he (do) before he (come) here? -I think he (be) in prison.
18 I (not see) your aunt recently. -
No. She (not be) out of her house since she (buy) her colour TV.
19 The plumber (be) here yet?-
Yes, but he only (stay) for an hour. -
What he (do) in that time? -
He (turn) off the water and (empty) the tank.
20 Where you (be)?
I (be) out in a yacht. -
You (enjoy) it? -
Yes, very much. We (take) part in a race. -
You (win)?~
No, we (come) in last.
21 How long that horrible monument (be) there?-
It (be) there six months. Lots of people (write) to the Town Council asking them to take it away but so far nothing (be) done.
22 I just (be) to the film War and Peace. You (see) it? -No, I.... Is it like the book? -
I (not read) the book. -
I (read) it when I (be) at school. -
When Tolstoy (write) it? -
He (write) it in 1868. -
He (write) anything else?
23 Hannibal (bring) elephants across the Alps. -Why he (do) that?-
He (want) to use them in battle.
24 Where you (be)?-
I (be) to the dentist. ~
He (take) out your bad tooth? -
Yes, he . . . -
It (hurt)?-
Yes, horribly.
25 She (say) that she'd phone me this morning, but it is now 12.30 and she (not phone) yet.
26 I just (receive) a letter saying that we (not pay) this quarter's electricity bill. I (not give) you the money for that last week? ~ Yes, you . . . but I'm afraid I (spend) it on something else.
27 How long you (be) out of work? -
I'm not out of work now. I just (start) a new job. -
How you (find) the job? -
I (answer) an advertisement in the paper.
28 You (finish) checking the accounts? -No, not quite. I (do) about half so far.
29 I (cut) my hand rather badly. Have you a bandage?-I'll get you one. How it (happen)? -
I was chopping some wood and the axe (slip).
30 How you (get) that scar? -
I (get) it in a car accident a year ago.
31 You (meet) my brother at the lecture yesterday? -Yes, I.... We (have) coffee together afterwards. •
32 He (lose) his job last month and since then he (be) out of work. -Why he (lose) his job? -
He (be) very rude to Mr Pitt.

1 год назад

Предмет: Русский язык, автор: shuramakeev20

с какими испытаниями человек встречается на войне

1 год назад

Предмет: Русский язык, автор: Аноним

Укажите ошибочную морфологическую характеристику причастия из предложения:Коля рисовал поля, которые были убраны в конце августа. Выберите правильный ответ: В предложении причастие является определением Причастие прошедшего времени Причастие стоит в форме множественного числа Это страдательное причастие

1 год назад

Предмет: Алгебра, автор: OmarAlenov

Если x/y = 3, а y/z = 1/a, то чему равно x/z

7 лет назад

Предмет: Математика, автор: Nesferato

решите пример с перемистительным свойством сложения

7 лет назад