a.
To find: The interior
a.
Answer to Problem 5WE
The interior angle sum for Decagon is
Explanation of Solution
Given information: The interior angle sum for Decagon.
Theorem used:
“The sum of the measures of the angles of a convex
It is known that the Decagon has 10 sides.
By using the theorem, find the interior angle sum for Decagon as follows.
Thus, the interior angle sum for Decagon is
b.
To find: The exterior angle sum for Decagon.
b.
Answer to Problem 5WE
The exterior angle sum for Decagon is
Explanation of Solution
Given information: The exterior angle sum for Decagon.
Theorem used:
“The sum of the measures of the exterior angles of any convex polygon one angle at each vertex, is
By using the above mentioned theorem, the exterior angle sum for Decagon is
Thus, the enterior angle sum for Decagon is
Chapter 3 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
Additional Math Textbook Solutions
College Algebra with Modeling & Visualization (5th Edition)
Calculus: Early Transcendentals (3rd Edition)
Linear Algebra with Applications (9th Edition) (Featured Titles for Linear Algebra (Introductory))
Mathematics with Applications In the Management, Natural and Social Sciences (11th Edition)
- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning