A circular track has a radius of 50 meters. If a runner covers an arc length of 40 meters, the central angle in degrees that the runner has covered isdegrees. (Round to the nearest degree)
Answer & Analysis
Analysis
Question Analysis
This problem assesses the ability to calculate the central angle in degrees given the radius and the arc length.
Key Concept Explanation
The formula for the arc length of a circle with radius and central angle (in radians) is . To find the central angle in radians, rearrange the formula to solve for : . Then, convert the angle from radians to degrees using
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