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Mathematics
Mathematics
Problem
Given
∠
P
A
O
=
90
∘
\angle PAO = 90^\circ
∠
P
A
O
=
9
0
∘
and
∠
P
B
O
=
90
∘
\angle PBO = 90^\circ
∠
P
B
O
=
9
0
∘
, prove that
A
O
B
P
AOBP
A
O
B
P
is a cyclic quadrilateral.
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