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4 
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non-adjacent interior angles found on opposite sides of the transversal 
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5 
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a line that intersects two parallel lines and form eight angles 
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6 
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two pairs of opposite angles formed by two intersecting lines 
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7 
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two angles that have the same vertex, share a common side, and do not overlap 
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8 
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lines that intersect to form a right angle 
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9 
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angles that together measure 180 degrees 
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|  
10 
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angles that have the same position on two different parallel lines cut by a transversal 
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|  
11 
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angles that together measure 90 degrees 
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|  
1 
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two lines in the same plane that do not intersect 
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|  
2 
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four angles formed inside by a transversal and two parallel lines 
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|  
3 
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four angles formed outside by a transversal and two parallel lines 
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|  
4 
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non-adjacent exterior angles found on opposite sides of the transversal 
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|  
 
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