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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Question

Polygon with three sides, three angles, and three vertices. Based on the properties of each side, the types of triangles are scalene (triangle with three three different lengths and three different angles), isosceles (angle with two equal sides and two equal angles), and equilateral (three equal sides and three angles of 60°). The types of angles are acute (less than 90°); obtuse (greater than 90°); and right (90°).

Chapter 7.4, Problem 20WE

To determine

To Find: the approximate height of pole and explain why triangles are similar in the figure shown.

Expert Solution & Answer

Answer to Problem 20WE

Explanation of Solution

Given:

Figure is shown as.

McDougal Littell Jurgensen Geometry: Student Edition Geometry, Chapter 7.4, Problem 20WE

∠1≅∠2 ,height of girl shown in figure is 172 cm and her eyes is 12 cm form to top her head.

AM=120 cm and A'M=4.5 m

Calculation:.

In both triangles.

∠1≅∠2 ∴(Given)∠A=∠A' ∴(Right angles)

Therefore, by AA postulate triangles are similar.

Ratio of sides of two similar triangle is equal.

Height of PoleHeght of girl's eye from ground=A'MAMHeight of Pole(172−12)=4.5×100120Height of Pole=4.5×100×(172−12)120Height of Pole=600m or 6m

Therefore, the answer is 6m

Chapter 7.4, Problem 19WE

Chapter 7.4, Problem 21WE

Chapter 7 Solutions

McDougal Littell Jurgensen Geometry: Student Edition Geometry

Ch. 7.1 - Prob. 1CE Ch. 7.1 - Prob. 2CE Ch. 7.1 - Prob. 3CE Ch. 7.1 - Prob. 4CE Ch. 7.1 - Prob. 5CE Ch. 7.1 - Prob. 6CE Ch. 7.1 - Prob. 7CE Ch. 7.1 - Prob. 8CE Ch. 7.1 - Prob. 9CE Ch. 7.1 - Prob. 10CE

Ch. 7.1 - Prob. 11CE Ch. 7.1 - Prob. 12CE Ch. 7.1 - Prob. 13CE Ch. 7.1 - Prob. 14CE Ch. 7.1 - Prob. 15CE Ch. 7.1 - Prob. 16CE Ch. 7.1 - Prob. 17CE Ch. 7.1 - Prob. 18CE Ch. 7.1 - Prob. 1WE Ch. 7.1 - Prob. 2WE Ch. 7.1 - Prob. 3WE Ch. 7.1 - Prob. 4WE Ch. 7.1 - Prob. 5WE Ch. 7.1 - Prob. 6WE Ch. 7.1 - Prob. 7WE Ch. 7.1 - Prob. 8WE Ch. 7.1 - Prob. 9WE Ch. 7.1 - Prob. 10WE Ch. 7.1 - Prob. 11WE Ch. 7.1 - Prob. 12WE Ch. 7.1 - Prob. 13WE Ch. 7.1 - Prob. 14WE Ch. 7.1 - Prob. 15WE Ch. 7.1 - Prob. 16WE Ch. 7.1 - Prob. 17WE Ch. 7.1 - Prob. 18WE Ch. 7.1 - Prob. 19WE Ch. 7.1 - Prob. 20WE Ch. 7.1 - Prob. 21WE Ch. 7.1 - Prob. 22WE Ch. 7.1 - Prob. 23WE Ch. 7.1 - Prob. 24WE Ch. 7.1 - Prob. 25WE Ch. 7.1 - Prob. 26WE Ch. 7.1 - Prob. 27WE Ch. 7.1 - Prob. 28WE Ch. 7.1 - Prob. 29WE Ch. 7.1 - Prob. 30WE Ch. 7.1 - Prob. 31WE Ch. 7.1 - Prob. 32WE Ch. 7.1 - Prob. 33WE Ch. 7.1 - Prob. 34WE Ch. 7.1 - Prob. 35WE Ch. 7.1 - Prob. 36WE Ch. 7.2 - Prob. 1CE Ch. 7.2 - Prob. 2CE Ch. 7.2 - Prob. 3CE Ch. 7.2 - Prob. 4CE Ch. 7.2 - Prob. 5CE Ch. 7.2 - Prob. 6CE Ch. 7.2 - Prob. 7CE Ch. 7.2 - Prob. 8CE Ch. 7.2 - Prob. 9CE Ch. 7.2 - Prob. 10CE Ch. 7.2 - Prob. 11CE Ch. 7.2 - Prob. 12CE Ch. 7.2 - Prob. 13CE Ch. 7.2 - Prob. 14CE Ch. 7.2 - Prob. 15CE Ch. 7.2 - Prob. 16CE Ch. 7.2 - Prob. 1WE Ch. 7.2 - Prob. 2WE Ch. 7.2 - Prob. 3WE Ch. 7.2 - Prob. 4WE Ch. 7.2 - Prob. 5WE Ch. 7.2 - Prob. 6WE Ch. 7.2 - Prob. 7WE Ch. 7.2 - Prob. 8WE Ch. 7.2 - Prob. 9WE Ch. 7.2 - Prob. 10WE Ch. 7.2 - Prob. 11WE Ch. 7.2 - Prob. 12WE Ch. 7.2 - Prob. 13WE Ch. 7.2 - Prob. 14WE Ch. 7.2 - Prob. 15WE Ch. 7.2 - Prob. 16WE Ch. 7.2 - Prob. 17WE Ch. 7.2 - Prob. 18WE Ch. 7.2 - Prob. 19WE Ch. 7.2 - Prob. 20WE Ch. 7.2 - Prob. 21WE Ch. 7.2 - Prob. 22WE Ch. 7.2 - Prob. 23WE Ch. 7.2 - Prob. 24WE Ch. 7.2 - Prob. 25WE Ch. 7.2 - Prob. 26WE Ch. 7.2 - Prob. 27WE Ch. 7.2 - Prob. 28WE Ch. 7.2 - Prob. 29WE Ch. 7.2 - Prob. 30WE Ch. 7.2 - Prob. 31WE Ch. 7.2 - Prob. 32WE Ch. 7.2 - Prob. 33WE Ch. 7.2 - Prob. 34WE Ch. 7.2 - Prob. 35WE Ch. 7.2 - Prob. 36WE Ch. 7.2 - Prob. 37WE Ch. 7.2 - 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Prob. 4CT Ch. 7 - Prob. 5CT Ch. 7 - Prob. 6CT Ch. 7 - Prob. 7CT Ch. 7 - Prob. 8CT Ch. 7 - Prob. 9CT Ch. 7 - Prob. 10CT Ch. 7 - Prob. 11CT Ch. 7 - Prob. 12CT Ch. 7 - Prob. 13CT Ch. 7 - Prob. 14CT Ch. 7 - Prob. 15CT Ch. 7 - Prob. 16CT Ch. 7 - Prob. 1AR Ch. 7 - Prob. 2AR Ch. 7 - Prob. 3AR Ch. 7 - Prob. 4AR Ch. 7 - Prob. 5AR Ch. 7 - Prob. 6AR Ch. 7 - Prob. 7AR Ch. 7 - Prob. 8AR Ch. 7 - Prob. 9AR Ch. 7 - Prob. 10AR Ch. 7 - Prob. 11AR Ch. 7 - Prob. 12AR Ch. 7 - Prob. 13AR Ch. 7 - Prob. 14AR Ch. 7 - Prob. 15AR Ch. 7 - Prob. 16AR Ch. 7 - Prob. 17AR Ch. 7 - Prob. 18AR Ch. 7 - Prob. 19AR Ch. 7 - Prob. 20AR Ch. 7 - Prob. 21AR Ch. 7 - Prob. 22AR Ch. 7 - Prob. 23AR Ch. 7 - Prob. 24AR Ch. 7 - Prob. 25AR Ch. 7 - Prob. 26AR Ch. 7 - Prob. 27AR Ch. 7 - Prob. 28AR Ch. 7 - Prob. 29AR Ch. 7 - Prob. 1CUR Ch. 7 - Prob. 2CUR Ch. 7 - Prob. 3CUR Ch. 7 - Prob. 4CUR Ch. 7 - Prob. 5CUR Ch. 7 - Prob. 6CUR Ch. 7 - Prob. 7CUR Ch. 7 - Prob. 8CUR Ch. 7 - Prob. 9CUR Ch. 7 - Prob. 10CUR Ch. 7 - Prob. 11CUR Ch. 7 - Prob. 1MCE Ch. 7 - Prob. 2MCE Ch. 7 - Prob. 3MCE Ch. 7 - Prob. 4MCE Ch. 7 - Prob. 5MCE Ch. 7 - Prob. 1ASNE Ch. 7 - Prob. 2ASNE Ch. 7 - Prob. 3ASNE Ch. 7 - Prob. 4ASNE Ch. 7 - Prob. 5ASNE Ch. 7 - Prob. 6ASNE Ch. 7 - Prob. 7ASNE Ch. 7 - Prob. 8ASNE Ch. 7 - Prob. 9ASNE Ch. 7 - Prob. 10ASNE Ch. 7 - Prob. 11ASNE Ch. 7 - Prob. 12ASNE Ch. 7 - Prob. 13ASNE Ch. 7 - Prob. 14ASNE Ch. 7 - Prob. 15ASNE Ch. 7 - Prob. 16ASNE Ch. 7 - Prob. 1CPE Ch. 7 - Prob. 2CPE Ch. 7 - Prob. 3CPE Ch. 7 - Prob. 4CPE Ch. 7 - Prob. 5CPE Ch. 7 - Prob. 6CPE Ch. 7 - Prob. 7CPE Ch. 7 - Prob. 8CPE Ch. 7 - Prob. 9CPE Ch. 7 - Prob. 1AE Ch. 7 - Prob. 2AE Ch. 7 - Prob. 3AE Ch. 7 - Prob. 4AE Ch. 7 - Prob. 5AE Ch. 7 - Prob. 6AE Ch. 7 - Prob. 7AE Ch. 7 - Prob. 8AE Ch. 7 - Prob. 9AE Ch. 7 - Prob. 10AE Ch. 7 - Prob. 11AE Ch. 7 - Prob. 12AE Ch. 7 - Prob. 13AE Ch. 7 - Prob. 14AE Ch. 7 - Prob. 15AE Ch. 7 - Prob. 1PE Ch. 7 - Prob. 2PE Ch. 7 - Prob. 3PE Ch. 7 - Prob. 4PE Ch. 7 - Prob. 5PE Ch. 7 - Prob. 6PE

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