Предмет: Геометрия, автор: mishavik

Діагоналі паралелограма дорівнюють 8 см і 10 см і перетинаються під кутом 70°. Знайдіть сторони і кути паралелограма.


marikresh: ща подожди
marikresh: думаю
mishavik: спасібо
mishavik: я не знаю как отвечать на вопроси другіх
mishavik: і как давать бали за чейто ответ
marikresh: посмотри на Ютубе, в инете
mishavik: что посмотреть
stellaichme: Сейчас решу
stellaichme: Не решу...
mishavik: спосібо всем уже решено

Ответы

Автор ответа: Bugatti27v
2

Вместо 30 подставь 70

Приложения:
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№ 2 Complete the sentences with the correct form of the structures below.

CAN / MUST / SHOULD / HAVE TO

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5. You _____ have a ticket when you travel on a bus.
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7. Yesterday I _____ go to work because it was Saturday.
8. You _____ be late for the meeting! It´s very important for the future of the firm.
9. _____ you lend me your coursebook for a while, please?
10. Peter _____ help with the housework every day.
11. You _____ sell your car immediately, I think you can get more money in the summer.
№ 3 Underline the correct structure to complete the second sentence so that it has the same meaning as the first one.

1. Do you think I could use your dictionary?
May I/ Do I have to use your dictionary?
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We don´t have to / mustn´t leave our car here.
3. I recommend this film to you. It´s fantastic.
You have to / must see this film. It´s fantastic.
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You shouldn´t / don´t have to go there.
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I could / had to play chess very well when I was younger.
6. Diving isn´t possible at this holiday resort.
You shouldn´t / can´t dive at this holiday resort.
7. It´s not necessary to come too early tomorrow.
You don´t have to / mustn´t come too early tomorrow.
8. Is it OK if I turn on the heating?
Can / Would I turn on the heating?