Предмет: Алгебра, автор: Аноним

длины 2 равных сторон треугольника на 3,1 см больше длины третьей стороны. Найдите стороны треугольника, если его периметр 17,9 см

Ответы

Автор ответа: mostvit
5

Примем длинную сторону за а.

Тогда а+а-3,1+а-3,1=17,9 и 3а=24,1 или

а=24,1/3

Тогда длина равных сторон

24,1/3 - 3 1/10=74/15

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