please answer the question plzzzzz. Refer the given picture...
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exterior angle=sum of opposite interior angles
COA=40°
OCA=80°
OAE=x°
OAE=OAC+OCA
=40°+80°
OAE=x°=120°
BDO=70°
BOD=COA=40°
DBF=y°
DBF=BDO+BOD
=70°+40°=110°
x°+y°=120°+110°=230°
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