$\left(x-5\right)^2+\left(y-5\right)^2=4.24$

$\left(x-5\right)^2+\left(y-5\right)^2=3$

$\left(x+5\right)^2+\left(y+5\right)^2=3$

$\left(x+5\right)^2+\left(y+5\right)^2=4.24$

(10, 16)

(5, 8)

(-5, -8)

(3.2, 4)

5

25

7.1

50

 $center\ \left(-5,-6\right),\ r=7$  

 $center\ \left(5,6\right),\ r=7$  

 $center\ \left(-5,-6\right),\ r=1$  

 $center\ \left(5,6\right),\ r=1$