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Q. In the given figure, A B C D . Find the measure of reflex B O D

Dear Student,


First draw a line  EF parallel to ab AB II  CD AB II EF  EF II CD AB II TO EF  BOF=35 [ALTERNATE INTERIOR ANGLES]  CD II EF  DOF = 40 [ALTERNATE INTERIOR ANGLES] HENCE BOD =35 + 40=75  


Regards

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