December 2021 0 38 Report
Здравствуйте! помогите решить даю 99 баллов!!!! Отрезки AB и CD пересекаются в точке О, AO =6,8 см, СО=8,4 см ОВ=5,1 см OD=6,3 см Доказать, что АС и ВD параллельны . Найти
а)DB:АС
б)отношение периметров и площадей АОС и DBO
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