please tell me the anwer if q3
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Verified answer
Answer:
Step-by-step explanation:
AOB Is A Straight Angle = 180°.
Angle AOD + Angle COD + Angle BOC = 180°.
x+10+x+x+20 = 180°.
3x+30 = 180°.
3x = 150°
x = 150/3 = 50°.
Therefore,
Angle AOD = x+10 = 50+10 = 60°.
Angle COD = x = 50°
Angle BOC = x+20 = 50+20 = 70°.
Verification,
60°+50°+70° = 180° = Angle AOB.
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