Question

8.
Lines AB and CD intersect at point O. Write in degree the measure of the angle
bisectors of AOC and BOC.​

Answer 1

Answer:

I think it should be 90° because four lines mostly intersect in middle..

Answer 2

let the Lines AB and CD make an angle of <AOC = 40° and <AOD = 140°

AOD and BOC are opposite angles therefore the angle measure is same

=140°

therefore bisector of angle BOC will make angle

140/2=70°--------(1)

bisector of angle AOC will make angle

40/2=20°---------(2)

therefore considering common side OC,

angle between the bisectors =70+20°=90°--------(from (1) and (2))