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When center height is 3 and the width of a semi circle is 18 what is the total arch length

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by jaanu

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by jaanu

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This results in a formula that can be used to calculate the length of any arc.where s is the length of the arc, r is the radius, and θ is the measure of the angle in radians.Solving this equation for θ will give us a formula for finding the radian measure given the arc length and the radius length: