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Mathematics
Mathematics
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
, AB = AC and
∠
B
=
50
∘
\angle B = 50^\circ
∠
B
=
5
0
∘
. Then
∠
C
\angle C
∠
C
is equal to (A)
40
∘
40^\circ
4
0
∘
(B)
50
∘
50^\circ
5
0
∘
(C)
80
∘
80^\circ
8
0
∘
(D)
130
∘
130^\circ
13
0
∘
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