A Fence $10 \mathrm { ft }$ Tall Runs Parallel to a Tall Building at a Distance

Short Answer

A fence $10 \mathrm { ft }$ tall runs parallel to a tall building at a distance of $5 \mathrm { ft }$ from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building? Round the result to the nearest hundredth.