Предмет: Геометрия, автор: Vikulya2013

Треугольник АВС подобен треугольнику А1В1С1. АВ=5, ВС=7, АС=8, А1В1=15. Найдите В1С1.

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Автор ответа: superwangen

0

k коэфицент подобия равен aba1b1 и равен 13 =) cледовательно b1c1 равно 3*bc=7*3=21

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