ЕСД - равнобедренный треугольник.(так как угол ЕДА = углу ДЕС (накрест леж. углы), но угол ЕДА= ЕДС, значит ДЕС= ЕДС ). Из этого следует, что ВС=ВЕ+ЕС=8+2=10.
Р=(10+8)*2=36
7.00 I get up.
7.05 I brush my teeth, have a shower and get dressed.
7.30 I have breakfast.
8.00 I go to school.
8.30 My lessons start.
13.30 My lessons finish.
14.00 I come home.
14.10 I have lunch.
At some
in any
in any
on some
at some
Ответ:
6.
1) I have not to be at home by 10 o'clock.
Have I to be at home by 10 o'clock?
2) John won't be able to go to Washington next week.
Will John be able to go to Washington next week?
3) She couldn't make dinner when she was 10.
Could she make dinner when she was 10?
7.
Could you close the window?
Can I close the window?
8.
1)Anna is five years old. She can sing and dance, but she can't write.
2)-Can I borrow your pen?
-Sure. Take it.
-Thanks.
3)I don't like to get up early, but I have to.
4) You don't need to do that.
5) They have to go to school in time.
Объяснение: