$\displaystyle{\overline{{{A}{B}}}}\leftrightarrow{\overline{{{Y}{X}}}}\usepackage{cmbright}\Huge\$ , $\displaystyle{\overline{{{B}{C}}}}\leftrightarrow{\overline{{{X}{Z}}}}\usepackage{cmbright}\Huge\$ , $\displaystyle{\overline{{{A}{C}}}}\leftrightarrow{\overline{{{Y}{Z}}}}\usepackage{cmbright}\Huge\$ , and $\displaystyle\angle{C}\leftrightarrow\angle{Z}\usepackage{cmbright}\Huge\$