plpz solve it !!!!!!
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the line DOC is a straight line and we know that the sun of the linear pair is 180degree and here <AOD and <COA forms a straight line therefore the sum of AOD and COA is 180 degree
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Angle AoB = 50
As DOC is straigh angle so
Angle AOD+angel COD=180
As DOC is straigh angle so
Angle AOD+angel COD=180
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