July 2021 0 8 Report
СРОЧНО!! ПОМОГИТЕ ПЛИИИЗ Дан треугольник ABC. Плоскость, параллельная прямой AC, пересекает сторону AB в точке A1, а сторону BC – в точке C 1 . Вычислите длину отрезка BC 1, если A1C1 : AC= 3:7, BC = 35 см.
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