Предмет: Математика, автор: savvafedoseev01

Даю 40 балов 1 Объем куба равен 27 м3. Найди сумму длин всех его рёбер и площадь полной поверхности.

Ответы

Автор ответа: seitkasymhafiz

Ответ:

9м 3 +27м3=36м3. ..........

һ.

Автор ответа: iramazurk

Пошаговое объяснение:

Если объем куба= 27 см³, то ребро куба = 3см (3³ = 27)

У куба 12 ребер. Сумма всех ребер = 3 * 12 = 36 см

S = 6 * a²

S = 6 * 3² = 6 * 9 = 54 см²

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