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What name is given to the pair of opposite angles formed when two straight lines intersect?
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What name is given to the pair of opposite angles formed when two straight lines intersect?
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Which statement describes two adjacent angles on a straight line?
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A transversal crosses two parallel lines. One angle is in the upper-right position at the first intersection, and another is in the upper-right position at the second intersection. What are these angles called?
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Where are alternate interior angles located when a transversal crosses two parallel lines?
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When a transversal crosses two parallel lines, which statement about corresponding angles is true?
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Straight lines AB and CD intersect at O. Which pair is vertically opposite?
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What is a line called when it crosses two or more other lines at different points?
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In the figure, what is the measure of ∠ C?
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Which labelled angle corresponds to ∠ 2?
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What is the relationship between the angle marked x and the angle marked 125^(\)circ?