In Exercise 1 and 2, supply reasons.
Given: 
(Use the figure following Exercise 1.) 
Prove: 

PROOF  
Statements  Reasons 
1.

1. ? 
2.

2. ? 
3.

3. ? 
4.

4. ? 
5.

5. ? 
6.

6. ? 
7.

7. ? 
8.

8. ? 
9.

9. ? 
10.

10. ? 
11.

11. ? 
Elementary Geometry For College Students, 7e
Finite Mathematics
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Elementary Technical Mathematics
Calculus: Early Transcendentals
Elements Of Modern Algebra
Calculus: Early Transcendental Functions (MindTap Course List)
Single Variable Calculus: Early Transcendentals, Volume I
Calculus of a Single Variable
Single Variable Calculus
Calculus (MindTap Course List)
Probability and Statistics for Engineering and the Sciences
Multivariable Calculus
Mathematical Applications for the Management, Life, and Social Sciences
Trigonometry (MindTap Course List)
Single Variable Calculus: Early Transcendentals
Statistics for The Behavioral Sciences (MindTap Course List)
Precalculus: Mathematics for Calculus (Standalone Book)
Calculus: Early Transcendental Functions
Intermediate Algebra
Calculus: An Applied Approach (MindTap Course List)
Contemporary Mathematics for Business & Consumers
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Understanding Basic Statistics
Applied Calculus
Mathematical Excursions (MindTap Course List)
Essentials Of Statistics
Finite Mathematics and Applied Calculus (MindTap Course List)
Finite Mathematics for the Managerial, Life, and Social Sciences
Introduction To Statistics And Data Analysis
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Study Guide for Stewart's Multivariable Calculus, 8th
STATISTICS F/BUSINESS+ECONOMICSTEXT
Research Methods for the Behavioral Sciences (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
Calculus (MindTap Course List)
College Algebra (MindTap Course List)
Multivariable Calculus
Mathematics For Machine Technology
Mathematics: A Practical Odyssey
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Discrete Mathematics With Applications
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Essentials Of Statistics For Business & Economics
College Algebra