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Two parallel lines are cut by a transversal as shown below.

Two parallel lines are cut by a transversal as shown below.-example-1
User Zenilogix
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1 Answer

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Angle one and angle two are supplementary, meaning that they add up to 180°.

180 - 58 = 122

Angle one and angle three are vertical angles, meaning that they are both the same angle.

Angle three = 122°
User Rosslebeau
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