On an expedition, Betsy comes across the lost of world of Jzork. To visit the Empress, Betsy must make her way around a triangular-shaped palace.
Betsy is at Point D while the Empress is at Point G. The palace (ABC) is equilateral, as are all the rooms inside the palace (the interior triangles). The distance from Point A to Point B is 100 meters.
The palace has moving sidewalks, shown in green, which can take Betsy to the Empress. Around the perimeter of the palace the speed of the sidewalk is 5 meters/second. While the sidewalks inside the palace have a speed of 2 meters/second.
What is the quickest path Betsy can take to see the Empress? What distance will Betsy cover to reach her, and how long will it take her?
The Palace of Jzork