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Mathematics
Mathematics
Problem
In Fig.,
B
C
=
C
A
BC = CA
B
C
=
C
A
and
∠
A
=
40
∘
\angle A = 40^\circ
∠
A
=
4
0
∘
. Then,
∠
A
C
D
\angle ACD
∠
A
C
D
is equal to
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