Вопрос школьника по предмету Геометрия
даны треугольники АВС и А1В1С1,причем<В=<В1,<С=<С1 и АВ/А1В1=3.Найдите длинну медианы А1М1,если длина медианы АМ равна 12 см
Ответ учителя по предмету Геометрия
Треугольники АВС иА1В1С1 подобны, их коэффициент подобия 3. АМ/А1М1=3, 12/А1М1=3, А1М1=12/3=4
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