Mathematics

Problem

\triangle ABC

AB = 7\,\text{cm}

AC = 9\,\text{cm}

and

\angle A = 55^{\circ}

. In another triangle

\triangle DEF

DE = 7\,\text{cm}

DF = 9\,\text{cm}

and

\angle D = 55^{\circ}

. Which congruence criterion, if any, proves

\triangle ABC \cong \triangle DEF

? a)

\text{ASA}

\text{SSS}

\text{SAS}

\text{RHS}