Вопрос школьника по предмету Геометрия
найдите радиус двух концентрических окружностей если известно что их диаметры относятся как 2:5 и ширина кольца, образованного этим окружностями равна 24
Ответ учителя по предмету Геометрия
5-2=3 ширина кольца 3 части, 24_3=8 одна часть. 2*8= 16 радиус маленькой окружности, 5*8= 40 радиус большой окружности
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