9514 1404 393
Answer:
60° = π/3 radians
Explanation:
The 10 cm length of the arc is 1/6 of the 60 cm length of the circumference of the circle. That means the angle measure of the arc is 1/6 of the total angle measure of a circle.
arc = 360°/6 = 60°
arc = (2π radians)/6 = π/3 radians