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Please help me with this math problem!!!!!​
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5 votes
Please help me with this math problem!!!!!​

Please help me with this math problem!!!!!​-example-1
User Shisui
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1 Answer

5 votes

Answer:

Explanation:


\cos ~A=0.5=cos~60 \\A=60^\circ\\B=180-A=180-60=120\\\angle~B=120^\circ

User Hermine
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