Question

ABCD is a quadrilateral . AO and BO are the angle bisectors of angle A abd B which meet at O. If angle C = 70° , angle D= 50° , find angle AOB​

Answer 1

Answer:

angle(AOB)=60°

Step-by-step explanation:

as we know sum of all anhles of quadrilateral =360

angle(A+B+C+D)=360

angle(A+B)=360-120=240

AS both AO and BO are angle bisectors so

angle(OAB+OBA)=240/2=120

Angle(AOB)=180-120=60

Answer 2

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