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If angle a is 103 degrees, how many degrees is angle b?2 Houab

User Rob Louie
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∠a and ∠b are vertical angles, therefore:


\begin{gathered} \angle a=\angle b \\ \angle b=103 \end{gathered}


\begin{gathered} 108=x-40 \\ \text{solve for x:} \\ x=108+40 \\ x=148 \end{gathered}

User Eykanal
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