AB parallel CD, Angle B is
60° and angle D is 40°.
Angle AOB is
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Answered by
1
Answer:
angle AOB=80°
Step-by-step explanation:
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Answered by
0
Answer:
80°
Step-by-step explanation:
B angel=C angel=60°
∆COD=180°
O angel = 180°-(40°+60°)=80°
angel COD=angelAOB
angel AOB=80°
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