Use the triangle angle bisector theorem.
4.9/2.6 = AC/3.4
2.6AC = 4.9 × 3.4
AC = 6.40769...
just find the gcf and solve the gcf's until you get each answer i have a really good feeling somethings missing xd (like the dimensions of the fence) *cough *cough *hint *hint
answer: ur v dumb