Предмет: Математика, автор: 13EvaSok13

найдите периметр четырехугольника ABCD (считайте,что сторона одной клетки равна 5 мм.)

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Автор ответа: m5ovi

AB=AD=1 см - радиусы меньшей окружности
CB=CD=1,5 см - радиусы большеё окружности
P(ABCD)=1 cм +1 см + 1,5 см + 1,5 см = 5 см

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