Are triangles ADC and EBC congruent? triangle ADC is overlapping triangle EBC so that they both share angle ACE, point B is on segment AC, point D is on segment EC, segments AD and EB intersect at point F, segments BC and DC are each marked with one dash, and angles CAD and CEB are each marked with an arc

Yes, by SSS
Yes, by AAS
Yes, by SAS
Not enough information