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D Line T is a transversal for lines L_{1} and L_{2}. ∠1 and ∠5 are D

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D Line T is a transversal for the parallel lines L_{1} and L_{2}. ∠4 and ∠6 are D

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D Which of the following is the correct definition of skew lines? I. Lines that are coplanar and do not intersect. II. Lines that are coplanar and do intersect. III. Lines that are neither parallel nor intersecting and are not coplanar. IV. Lines that lie in the same plane and are parallel. D

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D How many angles are formed by a transversal through two parallel lines? D

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D Which of the following pairs of angles are not equal? D

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D Line T is a transversal for lines L_{1} and L_{2}. ∠2 and ∠6 are D

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D Two parallel lines L_{1} and L_{2} are cut by a transversal T. Use the figure to find how ∠1 and ∠4 are related. D

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D Two parallel lines L_{1} and L_{2} are cut by a transversal T. Use the figure to identify the special name for the angle pair ∠2 and ∠6. D

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D Line T is a transversal for the parallel lines L_{1} and L_{2}. ∠3 and ∠5 are D

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D The number of pairs of corresponding angles formed by two parallel lines and a transversal is D

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D How many pairs of alternate exterior angles are formed by two parallel lines and a transversal? D

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D The number of pairs of vertically opposite angles formed by two parallel lines and a transversal is D

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D The number of pairs of adjacent angles formed by two parallel lines and a transversal is D

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D Which of the following angles are same side interior angles? D

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D Identify the alternate interior angles in the figure shown. D

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D Which among the following are a pair of alternate exterior angles? D

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D What is the ratio of the number of pairs of sameside interior angles formed by two parallel lines and a tranversal to the number of pairs of alternate interior angles formed by two parallel lines and a transversal? D

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D A is a point on line l and B is a point on line m. If l is parallel to m, is AB↔ a transversal for lines l and m? D

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D Two lines that are coplanar and do not intersect are called D

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D Identify a pair of parallel lines in the figure shown. D

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D Identify the relation between the lines TY↔ and WZ↔. D

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D A is a point on line l and B is a point on line m. If l intersects m (but not A or B), then which of the following is the most appropriate description for AB↔? D

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D A is a point on line l and B is a point on line m. If l and m are skew lines, check if AB↔ a transversal for lines l and m. Why? D

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D In the figure ∠6 and ________ are alternate exterior angles. D

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D In the figure ∠7 and ________ are alternate interior angles. D

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