Chapter 2.3, Problem 31E

BuyFind*arrow_forward*

7th Edition

Alexander + 2 others

ISBN: 9781337614085

Textbook Problem

*In Exercises 31 to 33, give a formal proof for each theorem.*

If two lines are cut by a transversal so that a pair of alternate exterior angles are congruent, then these lines are parallel.

To determine

**To find:**

The formal proof for the given theorem.

Explanation

**Given:**

Two lines

Figure

**Theorem:**

**Approach:**

The given statement is,

Alternate exterior angles are congruent.

So,

And,

Use Transitive Property of congruence.

Thus,

The formal proof for the given theorem is shown in the following table.

Proof | |

Statements | Reasons |

Sect-2.1 P-1ESect-2.1 P-2ESect-2.1 P-3ESect-2.1 P-4ESect-2.1 P-5ESect-2.1 P-6ESect-2.1 P-7ESect-2.1 P-8ESect-2.1 P-9ESect-2.1 P-10E

Sect-2.1 P-11ESect-2.1 P-12ESect-2.1 P-13ESect-2.1 P-14ESect-2.1 P-15ESect-2.1 P-16ESect-2.1 P-17ESect-2.1 P-18ESect-2.1 P-19ESect-2.1 P-20ESect-2.1 P-21ESect-2.1 P-22ESect-2.1 P-23ESect-2.1 P-24ESect-2.1 P-25ESect-2.1 P-26ESect-2.1 P-27ESect-2.1 P-28ESect-2.1 P-29ESect-2.1 P-30ESect-2.1 P-31ESect-2.1 P-32ESect-2.1 P-33ESect-2.1 P-34ESect-2.1 P-35ESect-2.1 P-36ESect-2.1 P-37ESect-2.1 P-38ESect-2.1 P-39ESect-2.2 P-1ESect-2.2 P-2ESect-2.2 P-3ESect-2.2 P-4ESect-2.2 P-5ESect-2.2 P-6ESect-2.2 P-7ESect-2.2 P-8ESect-2.2 P-9ESect-2.2 P-10ESect-2.2 P-11ESect-2.2 P-12ESect-2.2 P-13ESect-2.2 P-14ESect-2.2 P-15ESect-2.2 P-16ESect-2.2 P-17ESect-2.2 P-18ESect-2.2 P-19ESect-2.2 P-20ESect-2.2 P-21ESect-2.2 P-22ESect-2.2 P-23ESect-2.2 P-24ESect-2.2 P-25ESect-2.2 P-26ESect-2.2 P-27ESect-2.2 P-28ESect-2.2 P-29ESect-2.2 P-30ESect-2.2 P-31ESect-2.2 P-32ESect-2.2 P-33ESect-2.2 P-34ESect-2.2 P-35ESect-2.2 P-36ESect-2.3 P-1ESect-2.3 P-2ESect-2.3 P-3ESect-2.3 P-4ESect-2.3 P-5ESect-2.3 P-6ESect-2.3 P-7ESect-2.3 P-8ESect-2.3 P-9ESect-2.3 P-10ESect-2.3 P-11ESect-2.3 P-12ESect-2.3 P-13ESect-2.3 P-14ESect-2.3 P-15ESect-2.3 P-16ESect-2.3 P-17ESect-2.3 P-18ESect-2.3 P-19ESect-2.3 P-20ESect-2.3 P-21ESect-2.3 P-22ESect-2.3 P-23ESect-2.3 P-24ESect-2.3 P-25ESect-2.3 P-26ESect-2.3 P-27ESect-2.3 P-28ESect-2.3 P-29ESect-2.3 P-30ESect-2.3 P-31ESect-2.3 P-32ESect-2.3 P-33ESect-2.3 P-34ESect-2.3 P-35ESect-2.3 P-36ESect-2.3 P-37ESect-2.3 P-38ESect-2.3 P-39ESect-2.4 P-1ESect-2.4 P-2ESect-2.4 P-3ESect-2.4 P-4ESect-2.4 P-5ESect-2.4 P-6ESect-2.4 P-7ESect-2.4 P-8ESect-2.4 P-9ESect-2.4 P-10ESect-2.4 P-11ESect-2.4 P-12ESect-2.4 P-13ESect-2.4 P-14ESect-2.4 P-15ESect-2.4 P-16ESect-2.4 P-17ESect-2.4 P-18ESect-2.4 P-19ESect-2.4 P-20ESect-2.4 P-21ESect-2.4 P-22ESect-2.4 P-23ESect-2.4 P-24ESect-2.4 P-25ESect-2.4 P-26ESect-2.4 P-27ESect-2.4 P-28ESect-2.4 P-29ESect-2.4 P-30ESect-2.4 P-31ESect-2.4 P-32ESect-2.4 P-33ESect-2.4 P-34ESect-2.4 P-35ESect-2.4 P-36ESect-2.4 P-37ESect-2.4 P-38ESect-2.4 P-39ESect-2.4 P-40ESect-2.4 P-41ESect-2.4 P-42ESect-2.4 P-43ESect-2.4 P-44ESect-2.4 P-45ESect-2.4 P-46ESect-2.4 P-47ESect-2.4 P-48ESect-2.4 P-49ESect-2.4 P-50ESect-2.5 P-1ESect-2.5 P-2ESect-2.5 P-3ESect-2.5 P-4ESect-2.5 P-5ESect-2.5 P-6ESect-2.5 P-7ESect-2.5 P-8ESect-2.5 P-9ESect-2.5 P-10ESect-2.5 P-11ESect-2.5 P-12ESect-2.5 P-13ESect-2.5 P-14ESect-2.5 P-15ESect-2.5 P-16ESect-2.5 P-17ESect-2.5 P-18ESect-2.5 P-19ESect-2.5 P-20ESect-2.5 P-21ESect-2.5 P-22ESect-2.5 P-23ESect-2.5 P-24ESect-2.5 P-25ESect-2.5 P-26ESect-2.5 P-27ESect-2.5 P-28ESect-2.5 P-29ESect-2.5 P-30ESect-2.5 P-31ESect-2.5 P-32ESect-2.5 P-33ESect-2.5 P-34ESect-2.5 P-35ESect-2.5 P-36ESect-2.5 P-37ESect-2.5 P-38ESect-2.5 P-39ESect-2.5 P-40ESect-2.5 P-41ESect-2.5 P-42ESect-2.5 P-43ESect-2.5 P-44ESect-2.5 P-45ESect-2.5 P-46ESect-2.5 P-47ESect-2.5 P-48ESect-2.5 P-49ESect-2.5 P-50ESect-2.6 P-1ESect-2.6 P-2ESect-2.6 P-3ESect-2.6 P-4ESect-2.6 P-5ESect-2.6 P-6ESect-2.6 P-7ESect-2.6 P-8ESect-2.6 P-9ESect-2.6 P-10ESect-2.6 P-11ESect-2.6 P-12ESect-2.6 P-13ESect-2.6 P-14ESect-2.6 P-15ESect-2.6 P-16ESect-2.6 P-17ESect-2.6 P-18ESect-2.6 P-19ESect-2.6 P-20ESect-2.6 P-21ESect-2.6 P-22ESect-2.6 P-23ESect-2.6 P-24ESect-2.6 P-25ESect-2.6 P-26ESect-2.6 P-27ESect-2.6 P-28ESect-2.6 P-29ESect-2.6 P-30ESect-2.6 P-31ESect-2.6 P-32ESect-2.6 P-33ESect-2.6 P-34ESect-2.6 P-35ESect-2.6 P-36ESect-2.CR P-1CRSect-2.CR P-2CRSect-2.CR P-3CRSect-2.CR P-4CRSect-2.CR P-5CRSect-2.CR P-6CRSect-2.CR P-7CRSect-2.CR P-8CRSect-2.CR P-9CRSect-2.CR P-10CRSect-2.CR P-11CRSect-2.CR P-12CRSect-2.CR P-13CRSect-2.CR P-14CRSect-2.CR P-15CRSect-2.CR P-16CRSect-2.CR P-17CRSect-2.CR P-18CRSect-2.CR P-19CRSect-2.CR P-20CRSect-2.CR P-21CRSect-2.CR P-22CRSect-2.CR P-23CRSect-2.CR P-24CRSect-2.CR P-25CRSect-2.CR P-26CRSect-2.CR P-27CRSect-2.CR P-28CRSect-2.CR P-29CRSect-2.CR P-30CRSect-2.CR P-31CRSect-2.CR P-32CRSect-2.CR P-33CRSect-2.CR P-34CRSect-2.CR P-35CRSect-2.CR P-36CRSect-2.CR P-37CRSect-2.CR P-38CRSect-2.CR P-39CRSect-2.CR P-40CRSect-2.CR P-41CRSect-2.CR P-42CRSect-2.CR P-43CRSect-2.CR P-44CRSect-2.CR P-45CRSect-2.CR P-46CRSect-2.CR P-47CRSect-2.CT P-1CTSect-2.CT P-2CTSect-2.CT P-3CTSect-2.CT P-4CTSect-2.CT P-5CTSect-2.CT P-6CTSect-2.CT P-7CTSect-2.CT P-8CTSect-2.CT P-9CTSect-2.CT P-10CTSect-2.CT P-11CTSect-2.CT P-12CTSect-2.CT P-13CTSect-2.CT P-14CTSect-2.CT P-15CTSect-2.CT P-16CTSect-2.CT P-17CTSect-2.CT P-18CTSect-2.CT P-19CT

Calculus: Early Transcendental Functions

Statistics for The Behavioral Sciences (MindTap Course List)

Essentials Of Statistics

Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach

Intermediate Algebra

Elementary Technical Mathematics

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

Precalculus: Mathematics for Calculus (Standalone Book)

Mathematical Applications for the Management, Life, and Social Sciences

Mathematical Excursions (MindTap Course List)

Single Variable Calculus

Finite Mathematics and Applied Calculus (MindTap Course List)

Calculus (MindTap Course List)

Calculus: An Applied Approach (MindTap Course List)

Single Variable Calculus: Early Transcendentals, Volume I

Calculus: Early Transcendentals

Calculus (MindTap Course List)

Understanding Basic Statistics

Probability and Statistics for Engineering and the Sciences

Multivariable Calculus

Finite Mathematics

Calculus of a Single Variable

Trigonometry (MindTap Course List)

Contemporary Mathematics for Business & Consumers

Single Variable Calculus: Early Transcendentals

Elements Of Modern Algebra

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th

Calculus: Early Transcendental Functions (MindTap Course List)

Study Guide for Stewart's Multivariable Calculus, 8th

Finite Mathematics for the Managerial, Life, and Social Sciences