In Exercise 11 and 12, provide the missing statements and reasons.
Given: 

Prove: 

PROOF  
Statements  Reasons 
1.

1. ? 
2. ? and ?  2. If two

3.

3. ? 
4. ?  4. The sum of the measures of complementary

5.

5. ? 
6. ?  6. If the sum of the measures of two angles is

Mathematical Applications for the Management, Life, and Social Sciences
Calculus (MindTap Course List)
Calculus: Early Transcendentals
Finite Mathematics and Applied Calculus (MindTap Course List)
Essentials Of Statistics
Precalculus: Mathematics for Calculus (Standalone Book)
Applied Calculus
Single Variable Calculus: Early Transcendentals, Volume I
Multivariable Calculus
Probability and Statistics for Engineering and the Sciences
Understanding Basic Statistics
Intermediate Algebra
Calculus: An Applied Approach (MindTap Course List)
Elementary Technical Mathematics
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Mathematical Excursions (MindTap Course List)
Single Variable Calculus
Finite Mathematics
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Calculus: Early Transcendental Functions
Statistics for The Behavioral Sciences (MindTap Course List)
Trigonometry (MindTap Course List)
Elements Of Modern Algebra
Single Variable Calculus: Early Transcendentals
Contemporary Mathematics for Business & Consumers
Calculus of a Single Variable
Study Guide for Stewart's Multivariable Calculus, 8th
Finite Mathematics for the Managerial, Life, and Social Sciences
Calculus: Early Transcendental Functions (MindTap Course List)
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Introduction To Statistics And Data Analysis
Multivariable Calculus
Research Methods for the Behavioral Sciences (MindTap Course List)
College Algebra (MindTap Course List)
STATISTICS F/BUSINESS+ECONOMICSTEXT
Statistics for Business & Economics, Revised (MindTap Course List)
Mathematics For Machine Technology
Research Methods for the Behavioral Sciences (MindTap Course List)
Calculus (MindTap Course List)
Mathematics: A Practical Odyssey
Essentials Of Statistics For Business & Economics
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Discrete Mathematics With Applications
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Introductory Statistics
Calculus Volume 1