Arc measure is the number of radians. Two similar arcs could have the same arc measure. Arc length is particular to the individual arc. One must consider the radius of the arc in question then multiply the arc measure (in radians) times the radius to get the length.
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They are normally the same. However, the measure of the arc could refer to the angle subtended at the centre of the radius of curvature.
arc length/2pi*r=measure of central angle/360
No, in order to fine the arc length you need a formula which is: Circumference x arc measure/360 degrees
The bible tells u so * * * * * Obviously answered by some who is not literate enough to tell the difference between an ark (Biblical) and an arc (mathematical). Having said that, you need to know the radius (or some other measure of the size of the circle) and the subtended angle to find the length of an arc.
An arc length is the measure of the distance along the curved line making up the arc. It is longer than the straight line distance between the two end points.