Answer:
Boat level variation = 23'
Step-by-step explanation:
The graph shows that the variation between Amsterdam and Randall is referred to the Randall level
a ≈ 19.45
<u><em>Law of Cosines</em></u>
a=c2+b2﹣2cbcosγ
=112+132﹣2·11·13·cos(108°)
≈19.45196
It’s larger
7
2+4+3+4+3+4+5=25
32-25=7