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Mathematics
Mathematics
Problem
In a circle with centre
P
P
P
, two chords
A
B
AB
A
B
and
C
D
CD
C
D
are equal. If
∠
A
P
B
=
75
∘
\angle APB = 75^{\circ}
∠
A
P
B
=
7
5
∘
and
∠
C
P
D
=
x
∘
\angle CPD = x^{\circ}
∠
C
P
D
=
x
∘
, find the value of
x
x
x
.
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