SAS Similarity
Set the lengths for AB and AC and the angle BAC.  Then choose a scale factor to create triangle DEF using the same angle and sides.
Set the lengths for AB and AC and the angle BAC.  Then choose a scale factor to create triangle DEF using the same angle and sides.
Set the lengths for AB and AC and the angle BAC.  Then choose a scale factor to create triangle DEF using the same angle and sides.