Question 1048524
D = {{{ sqrt ( (x[1]-x[2])^2+ (y[1]-y[2])^2 ) }}} = √(5^2 + 12^2) = √169 = 13, the radius
A(3,-7)
C(-2,5) m = -12/5 Up 12, back 5 from(-2,5) is B( -7, 17)

{{{drawing(300,300,    -20,20,-20,20,  
 grid(1),
circle(-7,17,0.4),
circle(-2,5,0.4),
circle(3,-7,0.4),
green(line(3,-7,-7,17)),
circle(-2, 5,13),
graph( 300, 300, -20,20,-20,20))}}}