Answer:
2
Step-by-step explanation:
The equation of a circle is given as:
(x-h)^2 + (y-k)^2 = r^2
so r^2 = 4
r = sqrt(4)
r = 2
Answer:A= -1
B=-9
C=9
D=3
E=3
F=2
G=1.5
On edge