0 0 votes The above is a schematic diagram of walkways (indicated by all the straight-lines) and lakes ($3$ of them, each in the shape of rectangles - shaded in the diagram) of a gated area.Different points on the walkway are indicated by letters ( $\text{A}$ through $\text{P}$ ) with distances being $\text{OP} =150 \mathrm{~m}, \mathrm{ON}=\mathrm{MN}=300 \mathrm{~m}, \mathrm{ML}=400 \mathrm{~m}, \mathrm{EL}=200 \mathrm{~m}, \mathrm{DE}=400 \mathrm{~m}$.The following additional information about the facilities in the area is known.The only entry/exit point is at $\text{C}$.There are many residences within the gated area; all of them are located on the path $\text{AH}$ and $\text{ML}$ with four of them being at $\text{A, H, M}$, and $\text{L}$.The post office is located at $\text{P}$ and the bank is located at $\text{B}$.Visitors coming for morning walks are allowed to enter as long as they do not pass by any of the residences and do not cross any point (except $\text{C}$) more than once. What is the maximum distance (in $\mathrm{m}$) that such a visitor can walk within the gated area? Others cat2024-set2 + – Shubham Sharma 2 3.9k points 460 views answer comment Share Follow Print 0 reply Please log in or register to add a comment.