Answer:
a. 200°
Step-by-step explanation:
[tex]a = 360 \degree - 160 \degree \\ a = 200 \degree[/tex]
A. 200
Since an arc degree is the same to the corresponding angle degree, we need to find the missing angle degree:
360 - 160 = 200°
Since our angle is 200°, our arc degree is also 200°
