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The distance between the centre and the point through which the circle is passing is equal to the radius of the circle.
so, let's use distance formula here :





Now, let's write the equation of circle in standard form :

- h = x - coordinate of circle
- k = y - coordinate of circle
- r = radius of circle


Answered by : ❝ AǫᴜᴀWɪᴢ ❞