Find the value of x.

Tianle asked Jan 2, 2022

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33 votes

Tianle asked Jan 2, 2022

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22 votes

$180^o-130^o=50^o\\\\90^o+50^o=140^o\\\\x=180^o-140^o\rightarrow\boxed{x=40^o}$

Robert Lu answered Jan 7, 2022

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