Hello :<span> <span>an equation of the circle Center at the
A(a,b) and ridus : r is :
(x-a)² +(y-b)² = r²
in this exercice : a =2 and b = -5 (Center at the A) and: r = 12 </span></span>the equation of the circle is : (x-2)² +(y+5)² = 12²=144 (answer d)