Предмет: Геометрия, автор: VeronaDonut12

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Автор ответа: name28000

Ответ:

Пусть х (см) - длина одно боковой стороны, тогда (х+4) см - длина основания

1) х + х + (х+4) = 28;

3х +4 = 28;

3х = 24

х = 8

8 см - длина одной боковой стороны

2) 8+4=12 (см) - длина основания

Ответ: 8см, 8см, 12 см

Объяснение:

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