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Mathematics
Mathematics
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
and
△
D
E
F
\triangle DEF
△
D
E
F
, it is given that
A
B
=
D
E
AB = DE
A
B
=
D
E
,
B
C
=
E
F
BC = EF
B
C
=
E
F
and
∠
B
=
∠
E
\angle B = \angle E
∠
B
=
∠
E
. Are the two triangles congruent? If yes, state the congruence criterion; if not, give a reason.
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