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Mathematics
Mathematics
Problem
From an external point
P
P
P
, two tangents
P
A
PA
P
A
and
P
B
PB
P
B
are drawn to a circle with center
O
O
O
. If the angle between the two tangents is
70
∘
70^{\circ}
7
0
∘
, determine the measure of the reflex
∠
A
O
B
\angle AOB
∠
A
O
B
at the center.
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