Question 711294
Arc Length = (angle/360)*(Circumference)



Arc Length = (angle/360)*(2*pi*r)



3 = (angle/360)*(2*pi*6)



3 = (angle/360)*(12pi)



3/(12pi) = angle/360



(3/(12pi))*360 = angle



90/pi = angle



Angle = 90/pi   ... exact angle (in degrees)



Angle = 28.6478897565411  ... approximate angle (in degrees)