plz answer my query
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clearly ,
AOB=2ACB
AOB=2×45
AOD+DOB=90
AOD+40=90
AOD=90-40
AOD=50 ANS
AOB=2ACB
AOB=2×45
AOD+DOB=90
AOD+40=90
AOD=90-40
AOD=50 ANS
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