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Which relationships describe the angle pair x° and 157º?

Which relationship describes angles 1 and 2?

Which relationships describe the angle pair x and 157º Which relationship describes angles 1 and 2 class=
Which relationships describe the angle pair x and 157º Which relationship describes angles 1 and 2 class=

Respuesta :

Angle pairs 1 and 2 are vertical angles for they are opposite angles made by intersecting lines. While angle pair x° and 157° are supplementary because they make a straight line or 180° angle. 
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