👉 In geometry, a concentric circle is a type of geometric shape where two different circles are drawn on opposite sides of each other. The outer circle is called the outer concentric circle and the inner circle is called the inner concentric circle. Both concentric circles have the same center, but they are not the same size or shape. They are usually drawn as separate shapes with a line connecting them, separated by a thickness that can vary depending on the scale of the diagram. The term "con
