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∠AOD+∠BOC=280
SO∠AOD=280/2
=140
GIVEN
OPPOSITE ANGLES ARE EUQUAL
∠AOC+∠BOC+∠BOD+∠AOD=360
SO ANGLE ∠AOC+∠BOD=360-(∠AOD+∠BOC)
=360-280
=80
∠AOC+∠BOD=80
∠AOC=80/2
=40
∠BOD=80/2
=40
∠AOD+∠BOC=280
SO∠AOD=280/2
=140
GIVEN
OPPOSITE ANGLES ARE EUQUAL
∠AOC+∠BOC+∠BOD+∠AOD=360
SO ANGLE ∠AOC+∠BOD=360-(∠AOD+∠BOC)
=360-280
=80
∠AOC+∠BOD=80
∠AOC=80/2
=40
∠BOD=80/2
=40
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