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Mathematics
Problem
In a circle with centre
O
O
O
, it is given that
∠
A
O
B
=
∠
C
O
D
\angle AOB = \angle COD
∠
A
O
B
=
∠
C
O
D
. What relation can you establish between chords
A
B
AB
A
B
and
C
D
CD
C
D
? Give reason for your answer.
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