Предмет: Алгебра, автор: Аноним

точка К середина отрезка BC. M середина отрезка KC Найдите длину отрезка MB если BC равно 57 1/2

Ответы

Автор ответа: Аноним

12

Ответ:86.25

Объяснение:

В________К____М____С

КМ=(1/4)ВС=(115/2)*(1/4)=115/8

ВК=КС=2КМ, МВ=3КМ=115*3/4=86.25

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