Предмет: Математика, автор: OlegMan15

СРОЧНОО
Знайти довжину ребра куба, площа поверхні якого дорівнює 150 см

Ответы

Автор ответа: artemkutsarov20

1

Ответ:

длина ребра куба а =5 см

Объяснение:

площадь поверхности куба:

S=6×a^2

6 граней -квадратов

S=150 кв. см

6а^2=150

а^2=25

а>0, =>

а=5 см

Пошаговое объяснение:

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