Предмет: Математика, автор: Nargiztop

Чему равна площадь спортивного зала если ширина равна 18 м а периметр 80 м?​

Ответы

Автор ответа: bryadovasg
0

18+18=36

80-36=44

44÷2=22- длина спорт.зала

18×22=396 -площадь спорт.зала

ответ: 396 м'2

ilya55Omsk: Молодец.
Автор ответа: ilya55Omsk
1

Ответ: 396 м^2

Пошаговое объяснение:

1) 80-2*18=44м - это другая сторона.

2) 44/2=22м - это длина

3) 22*18=396м^2 - это площадь

ilya55Omsk: Спасибо =)
Nargiztop: пожалуста
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