Answer:
The answers of each item are the following.
1. 3.93 units
2. 5.24 units
3. 7.85 units
4. 10.47 units
5. 8.29 units
Step-by-step explanation:
For your convenience, I added the lines connecting the points on the circle to the center. We can determine the measure of the arcs by knowing the measure of the central angle. The central angle is an angle whose vertex is located at the center of the circle. The formula of the arc length is given by , where is the radius and is the measure of the corresponding central angle in degrees.