Arc Length Formula in Integral Form. An arc measure is an angle the arc makes at the center of a circle whereas the arc length is the span along the arc. Hence as the proportion between angle and arc length is constant we can say that.
Arc Length The arc length is.
Hence as the proportion between angle and arc length is constant we can say that. As circumference C 2pr L th 2pr 2p L th r. Give answers in terms of and rounded to the nearest hundredth. The length of an arc of a circle with a radius of 5 cm which is subtended by an angle of 60 is 53 cm.