The tangents drawn from a points to a circle always equal in length. So length EF is equal to,
[tex]\begin{gathered} EF=2+5 \\ =7 \end{gathered}[/tex]Determine the perimeter of triamgle DEF.
[tex]\begin{gathered} P=6+9+7 \\ =22 \end{gathered}[/tex]Thus perimeter of triangle DEF is 22 ft.
Option G is correct.