Предмет: Математика, автор: Ellodio

Угол АВС прямой,угол DEK составляет 20% от угла АВС,а величина угла МОN равна среднему орифметическуму углов АВС и DEK.Найдите величину углов DEK и MON.

Ответы

Автор ответа: triolana

прямой угол = 90 град
20%=0,2,значит
90*0,2=18 градусов угол DEK
(90+18):2=54 градуса угол MON
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THE COMPLEX OBJECT

Exercise 1. Open the brackets and use the Complex Object.

Model: He expected (they, arrive) at 5. — He expected them to arrive at 5.

1. Do you want (they, stay) at the hotel or with us? 2. I'd like (the professor, look through) my report. 3. Do you want (I, show) you the sights of the city? 4. We expect (he, arrange) everything by the time we come. 5. I want (she, tell) me the news in brief. 6. He expected (the meeting, hold) in the Red Room. 7. I would like (they, fix) an appointment for me for Tuesday. 8. We want (she, introduce) us to the president. 9. I don't want (they, be late) for dinner. 10. He expected (she, invite) to the party by the Smiths. 11. I'd like (the dress, buy) by Saturday. 12. I don't want (she, treat) like Alice. 13. We considered (he, be) an honest person. 14. I don't like (she, prevent) me from doing it. 15. I suspect (he, help) by her.

Exercise 2. Combine the sentences using the Complex Object.

Model: I did not see him. He entered the house. — I did not see him enter the house.

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Exercise 3. Change complex sentences into sentences with the Complex Object.

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