Question

Find the measure of <AOB in each of the following​

Answer 1

Answer:

60  

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Step-by-step explanation:

AOB is a straight line  

∴∠AOC+∠COD+∠DOB=180  

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⇒x+20  

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+2x−20  

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+60  

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=180  

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⇒3x=120  

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⇒x=40  

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∠COD=2x−20  

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=(2×40  

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)−20  

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=60  

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