Ответ:

Соответствие вершин: \(P\leftrightarrow P_1\), \(T\leftrightarrow T_1\), \(H\leftrightarrow H_1\).

\(TH=T_1H_1\)

\(TP=T_1P_1\)

\(HP=H_1P_1\)

\(\angle THP=\angle T_1H_1P_1\)

\(\angle PTH=\angle P_1T_1H_1\)

\(\angle TPH=\angle T_1P_1H_1\)