:Для нахождения длины ограды нужно узнать периметр участка (P=(a+b)*2) 1)S=48 га= 480000 кв.м. S=ab, следовательно, a=S:b. а= 480000:600=800(метров) 2) P=(a+b)*2, P=(800+600)*2=2800(м)-забора понадобиться
Объяснение:
1. John is so late! — Isn't he here yet?
2. My Dad can’t help me with the homework. — Doesn't he know English?
3. June phones her mother almost every day. — Don't they live together?
4. Mark would like to have a brother. — Doesn't he have an elder brother?
5. I’d like to enter this University. — Aren't you a student now?
6. Mary says she needs new black shoes. — Why? Hasn't she got them?
7. I can’t play this game. — Don't you know the rules?
8. Whose magazines are these? — Aren't they yours?
9. Tommy is going to play football. — Doesn't he have a headache?
10. I often have to go out to have dinner. — Doesn't your wife cook well?
1) 48 га = 480000м2
2)480000: 600=800(м)
ответ: понадобится 800 м