Ответ учителя по предмету Математика
так как в 1:2:3 самая меньшая единица-1,то 30 это и есть один,в 2 раза больше-это 60,а еще на единицу больше(у нас это 30)будет 90,т.е. у треугольника стороны-30,60,90 см
так как в 1:2:3 самая меньшая единица-1,то 30 это и есть один,в 2 раза больше-это 60,а еще на единицу больше(у нас это 30)будет 90,т.е. у треугольника стороны-30,60,90 см
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