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2.12. Karen knows that when two parallel lines are cut by a transversal, alternate interior angles are congruent and vertical angles are congruent. Which of these can she prove, and how? A. She can prove that alternate exterior angles are congruent by using the Symmetric Property. B. She can prove that alternate exterior angles are congruent by using the Transitive Property. C. She can prove that alternate exterior angles are supplementary by using the Symmetric Property. D. She can prove that alternate exterior angles are supplementary by using the Transitive Property.

2.12. Karen knows that when two parallel lines are cut by a transversal, alternate interior angles are congruent and vertical angles are congruent. Which of these can she prove, and how? A. She can prove that alternate exterior angles are congruent by using the Symmetric Property. B. She can prove that alternate exterior angles are congruent by using the Transitive Property. C. She can prove that alternate exterior angles are supplementary by using the Symmetric Property. D. She can prove that alternate exterior angles are supplementary by using the Transitive Property.

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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2.12. Karen knows that when two parallel lines are cut by a transversal, alternate interior angles are congruent and vertical angles are congruent. Which of these can she prove, and how? A. She can prove that alternate exterior angles are congruent by using the Symmetric Property. B. She can prove that alternate exterior angles are congruent by using the Transitive Property. C. She can prove that alternate exterior angles are supplementary by using the Symmetric Property. D. She can prove that alternate exterior angles are supplementary by using the Transitive Property.
Transcribed Image Text:2.12. Karen knows that when two parallel lines are cut by a transversal, alternate interior angles are congruent and vertical angles are congruent. Which of these can she prove, and how? A. She can prove that alternate exterior angles are congruent by using the Symmetric Property. B. She can prove that alternate exterior angles are congruent by using the Transitive Property. C. She can prove that alternate exterior angles are supplementary by using the Symmetric Property. D. She can prove that alternate exterior angles are supplementary by using the Transitive Property.
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