## Elementary Geometry for College Students (7th Edition) Clone

m$\angle$D=118$^{\circ}$
The sum of the interior angles of a pentagon is 540$^{\circ}$. m$\angle$D=m$\angle$B=m$\angle$E 3m$\angle$D+m$\angle$A+m$\angle$C=540 3m$\angle$D+93+93=540 3m$\angle$D=354 m$\angle$D=118$^{\circ}$