Are congruent circles.
Congruent circles
They are arcs of congruent circles.
a cylinder!
No. Congruent means the same shape and the same size. Two perfect circles would be the same shape but they might not be the same size.
Are congruent circles.
Yes.
Congruent circles
yes
congruent circles
a cylinder has two faces that are circles
Congruent circles, maybe...
They are arcs of congruent circles.
Congruent circles
Only if they belong to congruent circles.
same circle or congruent circles
The same radius.