1.

In the given figure, ABCD is a quadrilateral and ∠ADC=a∘,∠BCD=b∘. AO and BO are bisectors of ∠DAB and ∠ABC respectively meeting at O. Find ∠AOB in terms of a∘ and b∘.

Answer»

In the given figure, ABCD is a quadrilateral and ADC=a,BCD=b. AO and BO are bisectors of DAB and ABC respectively meeting at O. Find AOB in terms of a and b.




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