The length of an arc of a circle of radius r, which subtends an angle of x radians at the centre is r*x.
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major arc
The arc length is the radius times the arc degree in radians
A major arc must measure over 180 degrees, or pi radians
An arc whose measure is less than 180 degrees is called a Minor Arc.
the formula for the area of a sector is measure of arc/360 times (pi)(radius squared) it should come out to be about 1.046 or 1.047, or 1/3(pi) the formula for the area of a sector is measure of arc/360 times (pi)(radius squared) it should come out to be about 1.046 or 1.047, or 1/3(pi)