Answer :

smmwaite

Answer

16


Explanation

The diagram shows a secant meeting with an tangent.

The product of the secant and the extension of the chord id equal to the tangent squared.

∴ 2(x + 2) = 6²

  2x + 4 = 36

   2x = 36 - 4

        =  32

   x = 32/2

      = 16