A sector of a circle is shown below. The sector has an area of $60 \pi.$ What is the radius of the circle?
Good Question,
83pi*r^2/360 = 60pi
83pi*r^2 = 60pi*360
cancel pi on both sides: 83*r^2 = 21600
r^2 = 21600/83
r would be (rounded to the nearest hundreth): 16.13