Answer
BC, AC, AB
Work Step by Step
m$\angle$A+m$\angle$B+m$\angle$C=180
40+65+m$\angle$C=180
m$\angle$C=75
m$\angle$C$\gt$m$\angle$B$\gt$m$\angle$A
The lengths of the sides correspond to the size of the angles across from them.
BC$\lt$AC$\lt$AB