Предмет: Математика, автор: 5vl8a

Сума 2 сторiн трикутника доiвнюе 85 (см),а довжина 3 сторони становить 80 % цiеи суми .Визначити периметр трикутника

Ответы

Автор ответа: triolana
0
85*0,8=68 см третя сторона
85+68=153 см периметр
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