In a quadrilateral ABCD AO and bo are the bisector of angle A and Angle B respectively prove that angle aob is equals to half of angle C plus half of angle d

In a quadrilateral ABCD AO and bo are the bisector of angle A and Angl

1.	In a quadrilateral ABCD AO and bo are the bisector of angle A and Angle B respectively prove that angle aob is equals to half of angle C plus half of angle d
Answer» In a quadrilateral ABCD AO and bo are the bisector of angle A and Angle B respectively prove that angle aob is equals to half of angle C plus half of angle d