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∠A and ​ ∠B ​ are vertical angles with m∠A=x and m∠B=5x−80 .

What is m∠A ?

User Martimatix
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check the picture below.
∠A and ​ ∠B ​ are vertical angles with m∠A=x and m∠B=5x−80 . What is m∠A ?-example-1
User Hemmelig
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