Răspuns :
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a) < C = 90° - 30° = 60°
AC = BC/2 = 10 cm/2 = 5 cm
b) < C = 90° - 60° = 30°
AB = BC/2 => BC = 2AB = 2 × 8 cm = 16 cm
c) < C = 90° - 30° = 60°
AC = BC/2 = 24 cm/2 = 12 cm
d) < C = 90° - 30° = 60°
AC = BC/2 => BC = 2AC = 2 × 12 cm = 24 cm