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
University Calculus: Early Transcendentals (4th Edition)
Thinking Mathematically (6th Edition)
College Algebra with Modeling & Visualization (5th Edition)
College Algebra (7th Edition)
Algebra and Trigonometry (6th 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