Предмет: Математика, автор: Аноним

Обчисли площу поверхні прямокутного паралелепіпеда з вимірами 5,4 см 8 см та 2,1 см пж очень срочно

Ответы

Автор ответа: oleksaoleksei02

6

Відповідь:

142,68см²

Покрокове пояснення:

Sб = Ро*h=(5,4+2.1)2*8=120

Sп = Sб+2Sо=120+2(5,4*2,1)=142,68

oleksaoleksei02: : )

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