## Elementary Geometry for College Students (6th Edition)

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