8. Determine the value of the variable and the radius of the circle

Answer variants:

2

- \frac{4}{5}

10

\frac{34}{5}

Points \(A(2a,8)\) and \(B(2,2)\) lie on the circle with centre \(O(6a,2)\). Calculate the value of \(a\) and the radius of the circle.

1. The value of \(a\) is

and

2. The radius of the circle are

\(unit\) and

\(unit\).

Did you find an error?