Patrick B. answered 07/28/19
Math and computer tutor/teacher
THe radius is sqrt ( (8-6)^2 + (-7 -3)^2 )
= sqrt( 2^2 + (-10)^2 )
= sqrt( 4 + 100)
= sqrt(104)
If (8.-7) is the center then the equation is (x-8)^2 + (y+7)^2 = 104
if (6,3) is the center then the equation is (x-6)^2 + (y-3)^2 = 104