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Circles having the same centre and different radii are called
  • a)
    Equal circles
  • b)
    Concentric circles
  • c)
    Semi-circles
  • d)
    Congruent circles
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Circles having the same centre and different radii are calleda)Equal c...

Concentric circles are circles with a common center. The region between two concentric circles of different radii is called an annulus.
Any two circles can be made concentric by inversion by picking the inversion center as one of the limiting points.
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Circles having the same centre and different radii are calleda)Equal c...

Concentric circles are circles with a common center. The region between two concentric circles of different radii is called an annulus.
Any two circles can be made concentric by inversion by picking the inversion center as one of the limiting points.
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Community Answer
Circles having the same centre and different radii are calleda)Equal c...
Concentric circle,because if two circle made one centre then different radius is called concentric circle
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