Question

two or more circles having same centre are called​

Answer 1

Two or more circles having same centre are called concentric circles.

con = same

centric= centre

But these circles have different radii.

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Answer 2

Two or more circles having same centre are called concentric circles.

• In Geometry, objects are said to be more concentrated when they share a single center. Circles, spheres, regular polyhedra, and regular polygons are focused as they share the same central point.
• In Euclidean Geometry, two fixed circles have the same center but always have a different radius.
• The area/region formed between the two fixed circles is called the annulus. It is as flat as a ring. The area of ​​the annulus can be calculated by finding the location of the outer circle and the inner circle.