Предмет: Математика, автор: алла20052

Аквариум имеет форму прямоугольного параллелепипеда его боковые стенки стеклянные Определите площадь поверхности стекла если длина аквариума 50 см ширина 25 см высота 30 сантиметров

Ответы

Автор ответа: mairik0

50*25=1250 - 1 стенка
1250*2= 2500 - 2 и 1 стенка
30*25=750 - 3 стенка
750*2=1500 - 3 и 4 стенка
итого 1500 + 2500= 4000 см площадь всех боковых стенок

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