Answer:
centre = ( -6 , 4 ) and radius = 6
Explanation:
(x-a)² + (y-b)² = r²
where (a , b ) represents the centre and r the radius.
compare the standard form to (x+6)² + (y−4)² = 36
=> a = -6, b=4 and r = = 6
=> centre = (-6, 4) and radius = 6
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