Planning a railroad route Shown in the figure is a
Chapter 6, Problem 6.4.59(choose chapter or problem)
Planning a railroad route Shown in the figure is a proposed railroad route through three towns located at points A, B, and C. At B, the track will turn toward C at an angle .(a) Show that the total distance d from A to C is given by .(b) Because of mountains between A and C, the turning point B must be at least 20 miles from A. Is there a route that avoids the mountains and measures exactly 50 miles?
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