19. [16 points] . In a triangle (using standard notation), b = 12, A = 105 and C = 55. Find a decimal approximation for c rounded to 2 decimal places. . In a triangle (using standard notation), a = 4, b = 5, c = 8. Find a decimal approximation for B rounded to 2 decimal places. Page 10 of 13 . In a triangle (using standard notation), a = 5, b = 6 and A = 270, Determine, explaining reasoning, whether the given information results in one triangle, two triangles or no triangle