185. За яких умов LABC & LMNK: 1) AB = MN = 20 CM, BC = NK = 10 cm; AB AC 2) ZA = ZM; MN MK 3) ZA = 100', ZB=30, ZM = 70, ZN = 20°; 4) ZC = ZK, CB = 5, CA = 2, KN = 10, KM = 4? ПОМОГИТЕЕЕЕ ДАЮ 20БАЛОВ​