1. Construiește triunghiul ABC, ştiind că: I. a) AB = 2cm; AC = 5cm; dA = 50 deg b) AB = 3, 5cm; BC = 4cm; dB = 80 deg II. a) dA = 30 deg; AB = 3cm; dB = 70 deg b) dA = 45 deg; AC = 4cm; 4C = 60 deg III. a) AB = 4cm , AC = 3cm , BC = 5cm b) AB = 3, 5cm; RC = 4cm , AC= 6cm : c) BC = 2, 5cm; AC = 4cm; dC = 120 deg d) AB = 4, 2cm; AC = 4, 2cm; dA = 100 deg . c) dB = 20 deg; CB = 5cm; dC = 20 deg d) 4A = 10 deg; BA = 3, 5cm; dR = 150 deg . c) BC = 2.5cm; AC = 4, 2cm; AB = 2, 5cm d) AB = 4cm; AC = 4cm; BC = 4cm