Предмет: Математика, автор: Mirzehan

длина прямоугольника 12 см.,а ширина прямоугольника 3 см.найти периметр и площадь прямоугольника?

Ответы

Автор ответа: ivawka2006

Периметр - это сумма всех сторон 12+12+3+3=30
Площадь - это произведение 2-х сторон 12*3=36

Автор ответа: 21012001z

12*3 = 36 - площадь
12+12+3+3=30 - периметр
везде см

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