Question

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

Answer 1

Answer:

we know that sum of corresponding angles is 180 degree

then Angle B is 110 degree and Angle A is 130 degree

let angle AOB be x

x+1/2(110+130)=180

x+120=180

x=180-120

x=60

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