In Exercises
Given: 
are 
Prove: 

To prove:
Given,
Given:
Prove:
PROOF  
Statements  Reasons 
1. 
1. Given 
2. 
2. Vertical angles are equal 
3. 
3. Both pairs of opposite angles are congruent in a parallelogram 
4. Or 
4 
Intermediate Algebra
Mathematical Applications for the Management, Life, and Social Sciences
Precalculus: Mathematics for Calculus (Standalone Book)
Essentials Of Statistics
Calculus (MindTap Course List)
Mathematical Excursions (MindTap Course List)
Calculus: Early Transcendentals
Understanding Basic Statistics
Statistics for The Behavioral Sciences (MindTap Course List)
Calculus: An Applied Approach (MindTap Course List)
Single Variable Calculus: Early Transcendentals, Volume I
Single Variable Calculus
Probability and Statistics for Engineering and the Sciences
Multivariable Calculus
Finite Mathematics and Applied Calculus (MindTap Course List)
Finite Mathematics
Elementary Technical Mathematics
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Calculus: Early Transcendental Functions
Contemporary Mathematics for Business & Consumers
Single Variable Calculus: Early Transcendentals
Calculus of a Single Variable
Trigonometry (MindTap Course List)
Elements Of Modern Algebra
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Finite Mathematics for the Managerial, Life, and Social Sciences
Calculus: Early Transcendental Functions (MindTap Course List)
Study Guide for Stewart's Multivariable Calculus, 8th