Act it out problem solving strategy

Please forward this error screen to sharedip-1071804133. The following are some examples of problem solving strategies. A plumber has to connect a pipe from a storage tank at the corner, S, of the roof to a tap at the diagonally opposite corner, T, in the figure below. Act it out problem solving strategy the number of paths for the pipe if the pipe can only run along the edges of walls A, B, or roof C.