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Mathematics
Mathematics
Problem
In a cyclic quadrilateral ABCD,
∠
A
=
70
∘
\angle A = 70^{\circ}
∠
A
=
7
0
∘
and
∠
B
=
85
∘
\angle B = 85^{\circ}
∠
B
=
8
5
∘
. Find
∠
C
\angle C
∠
C
and
∠
D
\angle D
∠
D
.
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