$\begin{array}{l}
{Q_{\left( {O;{{60}^0}} \right)}}\left( A \right) = B\\
{Q_{\left( {O;{{60}^0}} \right)}}\left( B \right) = C\\
{Q_{\left( {O,{{60}^0}} \right)}}\left( C \right) = D\\
\Rightarrow {Q_{\left( {O,{{60}^0}} \right)}}\left( {ABC} \right) = BCD\\
{T_{\overrightarrow {BA} }}\left( B \right) = A\\
{T_{\overrightarrow {BA} }}\left( C \right) = O\\
{T_{\overrightarrow {BA} }}\left( D \right) = E\\
\Rightarrow {T_{\overrightarrow {BA} }}\left( {BCD} \right) = AOE
\end{array}$
