Figure 2 shows the floor plan of the hall model in the $x _ { 1 } x _ { 2 }$-plane. Using the results obtained so far, represent the shadow region of the floodlight in the figure exactly.
Figure 2 shows the floor plan of the hall model in the $x _ { 1 } x _ { 2 }$-plane. Using the results obtained so far, represent the shadow region of the floodlight in the figure exactly.