Question 325991
The radius would equal the distance from the center (-3,4) to the x-axis.
{{{R=4-0=4}}}
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{{{drawing(300,300,-5,5,-5,5,grid(1),circle(-3,0,.2),blue(line(-3,0,-3,4)),circle(-3,4,.2),circle(-3,4,4),graph(300,300,-5,5,-5,5,0))}}}