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Mathematics
Mathematics
Problem
Explain, in one sentence, why
∠
B
=
∠
E
\angle B = \angle E
∠
B
=
∠
E
if
△
A
B
C
≅
△
D
E
F
\triangle ABC \cong \triangle DEF
△
A
B
C
≅
△
D
E
F
with the correspondence
A
↔
D
A \leftrightarrow D
A
↔
D
,
B
↔
E
B \leftrightarrow E
B
↔
E
,
C
↔
F
C \leftrightarrow F
C
↔
F
.
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