A circular track has a radius of 20 meters. If a runner cove...

Question Analysis
This problem evaluates the understanding of finding the central angle in radians when given the arc length and the radius.

Key Concept Explanation
The arc length of a circle with radius and central angle (in radians) is given by . To find , rearrange the formula to .

Step-by-step Solution
1. Identify the given values: meters,