### Home > GC > Chapter 11 > Lesson 11.2.1 > Problem 11-78

11-78.

Remember, concentric circles are circles with the same center.

A few examples of concentric circles are tree rings, a cross-section of a baseball, ripples in pond, and a bull's-eye.

11-78.

Remember, concentric circles are circles with the same center.

A few examples of concentric circles are tree rings, a cross-section of a baseball, ripples in pond, and a bull's-eye.