Предмет: Математика, автор: AlinkaModzik

Номер 237 пожалуйста надо по быстрее кто сделает 10 баллов в корман

Приложения:

Ответы

Автор ответа: Danka2014
0
α=1м 25см
β= ?, в 5 раз меньше, чем а
1м25см=125см
125/÷5=25 (см) - β
P= (125 +25)×2 = 300 см
Теперь найдем сторону квадрата по формуле 
P = α4
300÷4=75 (см) - сторона квадрата
Автор ответа: Рыська11
0

Длина пр.-1 м 25 см

Ширина пр.-? в 5 раз меньше

a кв-? см

P кв.=P пр.

1 м 25 см =125 см

1) 125:5=25 (см) ширина пр.

2) 125x2+25x2= 300 (см) P пр.

3) 300:4=75 (см)

Ответ: сторона квадрата равна 75 см

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