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Mathematics, 10.12.2019 18:31 salsaanddoritos899

∠a and ∠b are vertical angles with m∠a=x and m∠b=4x−30 .

what is m∠a ?

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∠a and ∠b are vertical angles with m∠a=x and m∠b=4x−30 .

what is m∠a ?...
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