Question 866378
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Hi
D = {{{sqrt ((x[1]-x[2])^2+(y[1]-y[2])^2))}}}  Need to Know
(8,-2)
(4,1)
D(radius) = {{{ sqrt((-3)^2 + 4^2)}}} = 5
(x-4)^2 + (y-1)^2 = 5^2
0r (x-4)^2 + (y-1)^2 = 25
{{{drawing(300,300,   -6, 10, -6, 6, grid(1), 
circle(4, 1,0.2),
circle(4, 1,5),
graph( 300, 300, -6, 10, -6, 6) )}}}