A circular wheel has a radius of 15 units. If a point on its edge travels an arc length of 45 units, the central angle in radians that the wheel has rotated is.
Answer & Analysis
Analysis
Question Analysis
This problem tests the ability to determine the central angle in radians given the arc length and the radius of a circle.
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:
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