Step-by-step explanation:
[tex]y^{2} = 36 - {x}^{2} \\ {x}^{2} + {y}^{2} = 36 \\ ( x - 0)^{2} + (y - 0)^{2} = {(6)}^{2} \\ [/tex]
The standard equation of a circle is (x - h)² + (y - k)² = r²
where (h,k) is the center and r is the radius.
Therefore, (0,0) is the center and 6 is the radius.
