Предмет: Математика, автор: evgsom

94 и 95 пж!!!!!!!!!!!!!!!!!!!!!!!!!!!

Приложения:

e6687b513ed90f43cbb3ecb0eead4744.pdf

Ответы

Автор ответа: Zombynella

Ответ:

В решении.

Пошаговое объяснение:

94.

а) ___

| 1 |

__________

| 2 | 3 | 2 |

___________

| 1 | 3 |

________

Схема развёртки куба. Одинаковые цифры - один цвет. 3 пары граней.

б) Согласно чертежа, сторона куба а = 5см;

V куба = а³; V = 5³ = 125 (см³);

S поверхности куба = 6а²; S = 6 * 5² = 6 * 25 = 150 (см²).

95.

Фигура состоит из 6 кубов, а = 3 см.

V = 6 * 3³ = 6 * 27 = 162 (см³).

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