Two circles have the same center C (Circles that have the same center are called concentric.) The larger circle has a radius 10 and the smaller circle has a radius 6 Determine the area of the ring between these two circles.

Area of a circle = pi r^2

Area of larger circle minus area of smaller circle = ring area

pi (10^2) - pi(6^2) = ring area

64pi = ring area

201.06 units^{2}