McDougal Littell Jurgensen Geometry: Student Edition Geometry
McDougal Littell Jurgensen Geometry: Student Edition Geometry
5th Edition
ISBN: 9780395977279
Author: Ray C. Jurgensen, Richard G. Brown, John W. Jurgensen
Publisher: Houghton Mifflin Company College Division
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Chapter 6.3, Problem 8CE
To determine

To find: the first sentence of an indirect proof of the statement shown.

Expert Solution & Answer
Check Mark

Answer to Problem 8CE

This person has over looked right angles, straight angles and reflex angles.

Explanation of Solution

Given information:

Planning to write an indirect proof that ∠A is an obtuse angle, B began by saying “Assume temporarily that ∠A is an acute angle”. What has B over looked.

Calculation:

A person wanted to write an indirect proof that ∠A is an obtuse angle.

He started off the proof by saying “Assume temporarily that ∠A is an acute angle”.

There is need to find out what person has over looked.

Start off an indirect proof by assuming temporarily that the given conclusion is incorrect.

In this case, the correct sentence would be:

“Assume temporarily that ∠A is not an obtuse angle”.

When ∠A is not an obtuse angle, it covers the entire set of angles that is not in the set of obtuse angles, which would be acute angles, right angles, straight angles and reflex angles.

By saying “Assume temporarily that ∠A is an acute angle”, this person has over looked right angles, straight angles and reflex angles.

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Chapter 6.3, Problem 7CE
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Chapter 6.3, Problem 9CE

Chapter 6 Solutions

McDougal Littell Jurgensen Geometry: Student Edition Geometry

Ch. 6.1 - Prob. 1CECh. 6.1 - Prob. 2CECh. 6.1 - Prob. 3CECh. 6.1 - Prob. 4CECh. 6.1 - Prob. 5CECh. 6.1 - Prob. 6CECh. 6.1 - Prob. 7CECh. 6.1 - Prob. 8CECh. 6.1 - Prob. 9CECh. 6.1 - Prob. 10CE
Ch. 6.1 - Prob. 11CECh. 6.1 - Prob. 12CECh. 6.1 - Prob. 13CECh. 6.1 - Prob. 14CECh. 6.1 - Prob. 15CECh. 6.1 - Prob. 16CECh. 6.1 - Prob. 17CECh. 6.1 - Prob. 18CECh. 6.1 - Prob. 19CECh. 6.1 - Prob. 20CECh. 6.1 - Prob. 1WECh. 6.1 - Prob. 2WECh. 6.1 - Prob. 3WECh. 6.1 - Prob. 4WECh. 6.1 - Prob. 5WECh. 6.1 - Prob. 6WECh. 6.1 - Prob. 7WECh. 6.1 - Prob. 8WECh. 6.1 - Prob. 9WECh. 6.1 - Prob. 10WECh. 6.1 - Prob. 11WECh. 6.1 - Prob. 12WECh. 6.1 - Prob. 13WECh. 6.2 - Prob. 1CECh. 6.2 - Prob. 2CECh. 6.2 - Prob. 3CECh. 6.2 - Prob. 4CECh. 6.2 - Prob. 5CECh. 6.2 - Prob. 6CECh. 6.2 - Prob. 7CECh. 6.2 - Prob. 8CECh. 6.2 - Prob. 9CECh. 6.2 - Prob. 10CECh. 6.2 - Prob. 11CECh. 6.2 - Prob. 12CECh. 6.2 - Prob. 1WECh. 6.2 - Prob. 2WECh. 6.2 - Prob. 3WECh. 6.2 - Prob. 4WECh. 6.2 - Prob. 5WECh. 6.2 - Prob. 6WECh. 6.2 - Prob. 7WECh. 6.2 - Prob. 8WECh. 6.2 - Prob. 9WECh. 6.2 - Prob. 10WECh. 6.2 - Prob. 11WECh. 6.2 - Prob. 12WECh. 6.2 - Prob. 13WECh. 6.2 - Prob. 14WECh. 6.2 - Prob. 15WECh. 6.2 - Prob. 16WECh. 6.2 - Prob. 17WECh. 6.2 - Prob. 18WECh. 6.2 - Prob. 19WECh. 6.2 - Prob. 20WECh. 6.2 - Prob. 21WECh. 6.2 - Prob. 22WECh. 6.2 - Prob. 1MRECh. 6.2 - Prob. 2MRECh. 6.2 - Prob. 3MRECh. 6.2 - Prob. 4MRECh. 6.2 - Prob. 5MRECh. 6.2 - Prob. 6MRECh. 6.2 - Prob. 7MRECh. 6.2 - Prob. 8MRECh. 6.2 - Prob. 9MRECh. 6.3 - Prob. 1CECh. 6.3 - Prob. 2CECh. 6.3 - Prob. 3CECh. 6.3 - Prob. 4CECh. 6.3 - Prob. 5CECh. 6.3 - Prob. 6CECh. 6.3 - Prob. 7CECh. 6.3 - Prob. 8CECh. 6.3 - Prob. 9CECh. 6.3 - Prob. 10CECh. 6.3 - Prob. 1WECh. 6.3 - Prob. 2WECh. 6.3 - Prob. 3WECh. 6.3 - Prob. 4WECh. 6.3 - Prob. 5WECh. 6.3 - Prob. 6WECh. 6.3 - Prob. 7WECh. 6.3 - Prob. 8WECh. 6.3 - Prob. 9WECh. 6.3 - Prob. 10WECh. 6.3 - Prob. 11WECh. 6.3 - Prob. 12WECh. 6.3 - Prob. 13WECh. 6.3 - Prob. 14WECh. 6.3 - Prob. 15WECh. 6.3 - Prob. 16WECh. 6.3 - Prob. 17WECh. 6.3 - Prob. 18WECh. 6.3 - Prob. 19WECh. 6.3 - Prob. 20WECh. 6.3 - Prob. 1ST1Ch. 6.3 - Prob. 2ST1Ch. 6.3 - Prob. 3ST1Ch. 6.3 - Prob. 4ST1Ch. 6.3 - Prob. 5ST1Ch. 6.3 - Prob. 6ST1Ch. 6.3 - Prob. 7ST1Ch. 6.3 - Prob. 8ST1Ch. 6.3 - Prob. 9ST1Ch. 6.3 - Prob. 10ST1Ch. 6.4 - Prob. 1CECh. 6.4 - Prob. 2CECh. 6.4 - Prob. 3CECh. 6.4 - Prob. 4CECh. 6.4 - Prob. 5CECh. 6.4 - Prob. 6CECh. 6.4 - Prob. 7CECh. 6.4 - Prob. 8CECh. 6.4 - Prob. 9CECh. 6.4 - Prob. 10CECh. 6.4 - Prob. 11CECh. 6.4 - Prob. 12CECh. 6.4 - Prob. 13CECh. 6.4 - Prob. 14CECh. 6.4 - Prob. 15CECh. 6.4 - Prob. 16CECh. 6.4 - Prob. 17CECh. 6.4 - Prob. 18CECh. 6.4 - Prob. 19CECh. 6.4 - Prob. 20CECh. 6.4 - Prob. 1WECh. 6.4 - Prob. 2WECh. 6.4 - Prob. 3WECh. 6.4 - Prob. 4WECh. 6.4 - Prob. 5WECh. 6.4 - Prob. 6WECh. 6.4 - Prob. 7WECh. 6.4 - Prob. 8WECh. 6.4 - Prob. 9WECh. 6.4 - Prob. 10WECh. 6.4 - Prob. 11WECh. 6.4 - Prob. 12WECh. 6.4 - Prob. 13WECh. 6.4 - Prob. 14WECh. 6.4 - Prob. 15WECh. 6.4 - Prob. 16WECh. 6.4 - Prob. 17WECh. 6.4 - Prob. 18WECh. 6.4 - Prob. 19WECh. 6.4 - Prob. 20WECh. 6.4 - Prob. 21WECh. 6.4 - Prob. 22WECh. 6.4 - Prob. 23WECh. 6.4 - Prob. 24WECh. 6.4 - Prob. 1AECh. 6.4 - Prob. 2AECh. 6.4 - Prob. 1BECh. 6.4 - Prob. 2BECh. 6.4 - Prob. 3BECh. 6.5 - Prob. 1CECh. 6.5 - Prob. 2CECh. 6.5 - Prob. 3CECh. 6.5 - Prob. 4CECh. 6.5 - Prob. 5CECh. 6.5 - Prob. 6CECh. 6.5 - Prob. 7CECh. 6.5 - Prob. 8CECh. 6.5 - Prob. 9CECh. 6.5 - Prob. 10CECh. 6.5 - Prob. 1WECh. 6.5 - Prob. 2WECh. 6.5 - Prob. 3WECh. 6.5 - Prob. 4WECh. 6.5 - Prob. 5WECh. 6.5 - Prob. 6WECh. 6.5 - Prob. 7WECh. 6.5 - Prob. 8WECh. 6.5 - Prob. 9WECh. 6.5 - Prob. 10WECh. 6.5 - Prob. 11WECh. 6.5 - Prob. 12WECh. 6.5 - Prob. 13WECh. 6.5 - Prob. 14WECh. 6.5 - Prob. 15WECh. 6.5 - Prob. 1ST2Ch. 6.5 - Prob. 2ST2Ch. 6.5 - Prob. 3ST2Ch. 6.5 - Prob. 4ST2Ch. 6.5 - Prob. 5ST2Ch. 6.5 - Prob. 6ST2Ch. 6.5 - Prob. 7ST2Ch. 6.5 - Prob. 8ST2Ch. 6.5 - Prob. 9ST2Ch. 6 - Prob. 1CRCh. 6 - Prob. 2CRCh. 6 - Prob. 3CRCh. 6 - Prob. 4CRCh. 6 - Prob. 5CRCh. 6 - Prob. 6CRCh. 6 - Prob. 7CRCh. 6 - Prob. 8CRCh. 6 - Prob. 9CRCh. 6 - Prob. 10CRCh. 6 - Prob. 11CRCh. 6 - Prob. 12CRCh. 6 - Prob. 13CRCh. 6 - Prob. 14CRCh. 6 - Prob. 15CRCh. 6 - Prob. 16CRCh. 6 - Prob. 17CRCh. 6 - Prob. 18CRCh. 6 - Prob. 1CTCh. 6 - Prob. 2CTCh. 6 - Prob. 3CTCh. 6 - Prob. 4CTCh. 6 - Prob. 5CTCh. 6 - Prob. 6CTCh. 6 - Prob. 7CTCh. 6 - Prob. 8CTCh. 6 - Prob. 9CTCh. 6 - Prob. 10CTCh. 6 - Prob. 11CTCh. 6 - Prob. 12CTCh. 6 - Prob. 13CTCh. 6 - Prob. 14CTCh. 6 - Prob. 15CTCh. 6 - Prob. 16CTCh. 6 - Prob. 1ARCh. 6 - Prob. 2ARCh. 6 - Prob. 3ARCh. 6 - Prob. 4ARCh. 6 - Prob. 5ARCh. 6 - Prob. 6ARCh. 6 - Prob. 7ARCh. 6 - Prob. 8ARCh. 6 - Prob. 9ARCh. 6 - Prob. 10ARCh. 6 - Prob. 11ARCh. 6 - Prob. 12ARCh. 6 - Prob. 13ARCh. 6 - Prob. 14ARCh. 6 - Prob. 15ARCh. 6 - Prob. 16ARCh. 6 - Prob. 17ARCh. 6 - Prob. 18ARCh. 6 - Prob. 19ARCh. 6 - Prob. 1CURCh. 6 - Prob. 2CURCh. 6 - Prob. 3CURCh. 6 - Prob. 4CURCh. 6 - Prob. 5CURCh. 6 - Prob. 6CURCh. 6 - Prob. 7CURCh. 6 - Prob. 8CURCh. 6 - Prob. 9CURCh. 6 - Prob. 10CURCh. 6 - Prob. 11CUR

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