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Mathematics
Mathematics
Problem
Triangles
A
B
C
ABC
A
B
C
and
D
C
B
DCB
D
C
B
share side
B
C
BC
B
C
. It is given that
∠
A
B
C
=
∠
D
C
B
\angle ABC = \angle DCB
∠
A
B
C
=
∠
D
C
B
and
∠
A
C
B
=
∠
D
B
C
\angle ACB = \angle DBC
∠
A
C
B
=
∠
D
B
C
. a. Prove that
A
B
=
D
C
AB = DC
A
B
=
D
C
.
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