To find: The shortest path for the girls who live here in the given figure

Answer to Problem 19SGR
The shorter path is for Sarah to stop and get Irene and then
go to Anna's house.
Explanation of Solution
Given: Anna, Sarah, and Irene live at the intersections of the three roads
In the case of Anna, if Anna to stop and get Sarah and go onto Irene's house.
Anna will have to cover a large distance firstly by making an
Sarah and then
But in the case of Sarah to stop and get Irene a then go to Anna's house will
be the shortest path. As per shown in figure it is clear that Sarah will have to move
at an angle of
Hence, It will be shortest path .
Chapter 5 Solutions
Glencoe Geometry
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