Respuesta :
It would be 125.7 because if it is supplementary that means it has to equal 180. 180-54.3=125.7.
Answer =125.7
Answer =125.7
Answer: 125.7 degrees
Step-by-step explanation:
supplementary angles add up to 180 degrees.
angle 1 + angle 2 = 180
54.3+angle 2=180.0
54.3-54.3+angle 2=180.0-54.3
angle 2=180.0-54.3
angle 2=125.7 degrees