Предмет: Математика, автор: svetlanalufu

Определите периметр прямоугольника если длина прямоугольника 15 см а ширина на 10 см короче длины

Ответы

Автор ответа: dima8256dndnfnfjdd

Ответ:

Пошаговое объяснение:

фото

Приложения:

Автор ответа: BerezhnayaSofia

Ответ:

1) 15-10= 5 (см) - ширина прямоугольника

2) 2*(15+5)= 2*20= 40 (см) - периметр прямоугольника

Ответ: 40 см

Пошаговое объяснение:

P прямоугольника = 2*(а+b), где a - длина, а b- ширина

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