9th Class
Mathematics
Sample Paper
Maths Olympiad Model Test Paper-4
question_answer
In \[\Delta \,ABC\] and \[\Delta \,DEF,\] AB = DF,\[\angle \,ACB=70{}^\circ ,\]\[\angle \,ABC=50{}^\circ ,\] \[\angle \,DEF=70{}^\circ \] and \[\angle EDF=60{}^\circ \]. By which of the following congruence conditions are the two triangles congruent?