5. В тетраэдре DABC известно, что АC = 1 см, ВC = √2 см, <ACB = 90°. Угол между плоскостями ABC и ADC равен 60°. Найдите угол между прямой АВ и плоскостью ADC.

Task 3. Complete the sentences with the -ing form or infinitive with to of the verbs in brackets.

1 I can’t promise to be (be) on time.

2 She tried (not hit) the man, but she was driving too fast.

3 Would you like (come) to a concert on Saturday?

4 Do you mind (not talk) so loudly?

5 Duncan works at weekends (earn) more money.

6 We were unhappy with the service, so the restaurant offered (give) us a free dinner.

7 Is it difficult (learn) Japanese?

8 They drove without (stop) for six hours.

9 We’re thinking of (go) to Mexico for our holidays next year.

10 Are you good at (remember) people’s names

ПОМОГИТЕ СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Выпишите из басен И. Крылова 2 предложения с относительными местоимениями, указать падеж, род, число (если есть).

радиус основания цилиндра 2м, а высота 3м. найдите диагональ осевого сечения