Answer :
Answer:
12
Explanation:
We can solve the given problem by applying the intersecting chords theorem as shown below;
[tex]x\times12=8\times18[/tex][tex]12x=144[/tex]Let's go ahead and divide both sides by 12;
[tex]\begin{gathered} x=\frac{144}{12} \\ x=12 \end{gathered}[/tex]