When the arc length is the same size as a circle's radius it is known as a radian and it measures just under 57.3 degrees
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the general formula is arc length is equal the radius times the angle. s=r< s=arc length r=radius <=angle
The length of an arc is the radius times the angle in radians that the arc subtends length = radius times angle in degrees times pi/180
the formula for the arc of a triangle is the arc length is equal to the angle times the radius. s=arc length theta=angle made y length of the arc lenth r=radius s=theta times radius
Length of arc = pi*radius*angle/180 = 10.47 units (to 2 dp)
you need to know the formula the arc length is equal to the radius times the angle made by the length of arc s = r(theta) s=arc length r=radius theta=angle