Denotations in the Arc Length Formula. s is the arc length; r is the radius of the circle; θ is the central angle of the arc; Example Questions Using the Formula for Arc Length. Question 1: Calculate the length of an arc if the radius of an arc is

This calculator calculates for the radius, length, width or chord, height or sagitta, apothem, angle, and area of an arc or circle segment given any two inputs. Please enter any two values and

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To do so you just have to multiply the value of angle by π / 180. Lets use the above formula to calculate the arc length of circle. arc length = (central angle x π/180 ) x radius arc