(x–a)2+(y–b)2=R2
ОВ ⊥ оси Ох
(x–(–6))2+(y–b)2=R2
или
{(–10+6)2+(4–b)2=R2
{(–6+6)2+(0–b)2=R2
(–10+6)2+(4–b)2=b2
16=(b–4+b)·(b+4–b)
4=2b–4
b=4
R2=b2=16
О т в е т. (x+6)2+(y–4)2=16
(x–a)2+(y–b)2=R2
ОВ ⊥ оси Ох
(x–(–6))2+(y–b)2=R2
или
{(–10+6)2+(4–b)2=R2
{(–6+6)2+(0–b)2=R2
(–10+6)2+(4–b)2=b2
16=(b–4+b)·(b+4–b)
4=2b–4
b=4
R2=b2=16
О т в е т. (x+6)2+(y–4)2=16