Yes, it is. Circles that are in the same plane and having the same center are called congruent circles.
Circles in the same plane with the same center are concentric circles.
They're definitely similar, concentric, and coplanar. They're not necessarily congruent, but they could be.
concentric circles
concentric circles
concentric circle
Two concentric circles sharing the same center.
By using Cartesian equations for circles on the Cartesian plane
The shape of a circle is round. Circles are plane shapes that have all points that are the same distance from the center.
skew
Yes, plane figures are flat, not 3-dimensional shapes.
yes -novanet
The faces of a cylinder are circles.