Question

The centre of a circle is (20 -1, 7)  and its passed through the point (-3, -1). 
If  the diameter of the circle is 20 units, find value of .

Please give me quick answers
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Answer 1

Answer:

The centre of a circle is (20 -1, 7)  and its passed through the point (-3, -1). 

If  the diameter of the circle is 20 units, find value of .

Please give me quick answers

please don't spam.I need it urgently