In Exercises 1 to 6,



and 



To verify:
Whether
Given:
Figure
Concept:
(1) If two lines are cut by a transversal so that two alternate interior angles are not congruent, these lines are not parallel.
(2) The supplementary angles add up to
Approach:
The given statement is,
So,
Substitute
Applied Calculus
Precalculus: Mathematics for Calculus (Standalone Book)
Finite Mathematics
Calculus: Early Transcendentals
Statistics for The Behavioral Sciences (MindTap Course List)
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Calculus: Early Transcendental Functions
Multivariable Calculus
Single Variable Calculus: Early Transcendentals, Volume I
Single Variable Calculus
Probability and Statistics for Engineering and the Sciences
Mathematical Applications for the Management, Life, and Social Sciences
Mathematical Excursions (MindTap Course List)
Finite Mathematics and Applied Calculus (MindTap Course List)
Calculus (MindTap Course List)
Intermediate Algebra
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Essentials Of Statistics
Elementary Technical Mathematics
Calculus: An Applied Approach (MindTap Course List)
Understanding Basic Statistics
Single Variable Calculus: Early Transcendentals
Elements Of Modern Algebra
Calculus of a Single Variable
Contemporary Mathematics for Business & Consumers
Trigonometry (MindTap Course List)
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Calculus: Early Transcendental Functions (MindTap Course List)
Finite Mathematics for the Managerial, Life, and Social Sciences
Study Guide for Stewart's Multivariable Calculus, 8th
Research Methods for the Behavioral Sciences (MindTap Course List)
College Algebra (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
Calculus (MindTap Course List)
Multivariable Calculus
Mathematics For Machine Technology
Introduction To Statistics And Data Analysis
STATISTICS F/BUSINESS+ECONOMICSTEXT