We need to see the graph in order to answer
If the angle is over 120 its obtuse is it if below 40 its acute
Treat the polygon like to different polygons. In an L it most likely with be a square and a rectangle that you will be taking apart from the polygon
Day 1: 8km=4.97miles
Day 2: 10miles=16.09km
Day 3: 9miles=14.4km
9.6km=5.9miles
I really hope this helps! Not really sure what exactly the answer you are looking for is but this should help you figure it out
