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७ 2४07 >ुड020 7000 7 नरe o£71=0087VEOV~DAOYV ‘& LE9

Answer»

Angle DOC + angle BOC = 180(linear pair )DOC = 180-125angle DOC = 55DOC + DCO +ODC = 180(sum of all angle )angle DCO = 180-125DCO = 55Angle OAB = OCD (Alternate an.)OAB = 55.



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