Question

circles which coincide exactly are said to be​

Answer 1

Answer:

They are said to be congruent circle.

Answer 2

Answer:

Circles which coincide exactly are said to be​ cocentric.

Step-by-step explanation:

According to the question , we need to find out what is the exact term which we used when circles are coincide. The question is so easy. Actually when two circles are coinicde then there centres will be same but their radius may be same. If radius will not be same for this time we will say that the two circles will coincide with each other and two circle is called cocentric.

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