Using arc length formula to find the values for a circle

The video tutorial explains how to find the arc length of a circle given a radius and a central angle. It introduces the formula for arc length, which is the product of the radius and the angle in radians. The tutorial emphasizes the importance of converting angles from degrees to radians and provides a step-by-step example of calculating arc length using a radius of 15 inches and a central angle of 180 degrees. The tutorial concludes with tips on using the formula effectively.

Why is it important to use radians when calculating arc length?

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If the radius is 15 inches, what would be the arc length for an angle of 180 degrees in terms of π?

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