In a quadrilateral ABCD, AO and BO are the bisectors of `angle A and angle B` respectively, `angle C = 70^(@) and angle D=30^(@). " Then, " angle AOB=`?

In a quadrilateral ABCD, if AO and BO are the bisectors angleA and angleB respectively, angleC=70^@ and angleD=30^@ then angleAOB =

In a quadrilateral ABCD, AO and BO are bisectors of angleA and angle B respectively. Prove that angleAOB=1/2(angleC+angleD)

In a quadrilateral ABCD, AO and BO are bisector of angle A and angle B resepectively. Sho that : angleAOB=1/2 (angleC+angleD)

In a quadrilateral ABCD, AO and BO are the bisectors of angleA and angleB respectively. Prove that angleAOB=1/2(angleC+angleD).

In a quadrilateral ABCD, OA and OB are the angle bisectors of angleDAB" and " angleCBA . If angleADC=70^(@)" and "angleBCD=80^(@) then find angleAOB ?

In a quadrilateral ABCD, E is a point in the interior of the quadrilateral such that DE and CE are the bisector of angle D and angle C , respectively, If angle B = 82^@ and angle DEC = 80^@ then angle A = ? एक चतुर्भुज ABCD में, E, चतुर्भुज के भीतरी भाग का एक बिंदु इस प्रकार है की DE और CE क्रमश angle D और angle C , के द्विभाजक हैं, यदि angle B = 82^@ और angle DEC = 80^@ तो angle A = ?

In a quadrilateral ABCD,AO and BO are the bisectors of A/_ and /_B respectively. Prove that /_AOB=(1)/(2)(/_C+/_D)

In quadrilateral ABCD,AO and BO are the bisectors of /_A and /_B respectively.Prove that /_AOB=(1)/(2)(/_C+/_D)

In a quadrilateral ABCD, the bisectors of angle C and angle D meet at E. If angle CED = 56^@ and angle A = 49^@ , then the measure of angle B is: