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what is the formula of length of arc. What we discover is that the length of an arc of a circle is proportional to the measure of its central angle. The formula to calculate the arc length is.
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An arc is a part of the circumference of a circle. All this means is that by the power of radians and proportions the length of an arc is nothing more than the radius times the central angle. R indicates the radius of the arc.
When the central angle is in radians the arc length formula is.
Hence as the proportion between angle and arc length is constant we can say that. The length of an arc depends on the radius of a circle and the central angle th. When the central angle is in radians the arc length formula is. Hence as the proportion between angle and arc length is constant we can say that.
