Предмет: Математика, автор: Sofa2012love

Одна сторона трикутника дорівнює 8см,друга на 2 см коротша за першу а третя довша удвічі за другу.Знайти периметир трикутника

Ответы

Автор ответа: ypoloz2010

Ответ:

Периметр трикутника дорівнює 26 см.

Пошаговое объяснение:

1) $8-2=6$ (см) - друга сторона;
2) $6*2=12$ (см) - третя сторона;
3) $8+6+12=14+12=26$ (см).

ypoloz2010: :)

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