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It is angle measure please help

It is angle measure please help-example-1

1 Answer

7 votes

Opposite angles are equal


\\ \rm\longmapsto m+357=4m+6


\\ \rm\longmapsto 357-6=4m-m


\\ \rm\longmapsto 3m=351


\\ \rm\longmapsto m=(351)/(3)


\\ \rm\longmapsto m=117

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