Question

Find the measure of angle AOB​

Answer 1

Step-by-step explanation:

angle EOD + angle DOC + angle COF = 180° (Linear angles)

i.e.

50 + x + 60 =180

110 + x = 180

x = 180-110 = 70

Now,

angle DOC = Angle AOB

70 = Angle AOB Answer

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Answer 2

Step-by-step explanation:

• EF is the straight line so 50+angelO+60=180(linear pair angel O =70
• angel AOE=FOC=60
• angel BOF=EOD=50and
• angelAOB=angel DOC=70
• so angel AOB =70(vertically oppo)