Grade 12th pass9 grade maths
In a quadrilateral ABCD, AO and BO are bisectors of angle A, and angle B respectively. Prove that ∠AOB=12{∠C+∠D}
In a quadrilateral ABCD, AO and BO are bisectors of angle A, and angle B respectively. Prove that ∠AOB=12{∠C+∠D}
