Answer variants:
−45
345
10
2
Points \(A(2c,8)\) and \(B(2,2)\) lie on the circle with centre \(O(6c,2)\). Calculate the value of \(c\) and the radius of the circle.
 
(i). The value of \(c\) is
and
.
 
(ii). The radius of the circle are 
 \(unit\) and 
\(unit\).