An RV travels 45 km east and stays the night at a KOA. The next day it travels for 3 hours to the north, traveling 110 km. What is the displacement over the two days for the RV?

Please help, thank you!

2 answers

what is sqrt(110^2+45^2)

at an angle of arctan45/110 E of N
what is sqrt(110^2+45^2)
118.849

at an angle of arctan45/110 E of N
^^^ what's that for?