Предмет: Математика, автор: Аноним

Запиши в виде выражений полупериметр прямоугольника стороны которого равна 3 дм и 7 дм, 5 дм и x дм
Запиши в виде выражений полупереметр квадрата, сторона которого равна 8 дм , a дм

Ответы

Автор ответа: Olga8128

1). Полупериметр прямоугольника со сторонами 3 дм и 7 дм:

3 + 7 = 10 (дм).

2). Полупериметр прямоугольника со сторонами 5 дм и x дм:

5 + x (дм).

3). Полупериметр квадрата со стороной 8 дм:

8 + 8 = 16 (дм).

4). Полупериметр квадрата со стороной a дм:

а + а = 2а (дм).

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