Answer:
0.3
Step-by-step explanation:
Use a calculator
Answer:
Step-by-step explanation:

Answer:
The answer is 83°
Step-by-step explanation:
by the sum of iner and outer angle=180°
180-126= 54°
x=180-43+54
x=180-97
x=83°
hope that helped.?<3
Can u put a picture of the question with this so I can answer it.