1. What is the sum of the measures of the interior angles of an octagon?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter2: Parallel Lines
Section2.CR: Review Exercises
Problem 25CR: Complete the following table for regular polygons. Number of sides 8 12 20 Measure of each exterior ...
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1. What is the sum of the measures of the interior angles of an octagon?
2. What is the sum of the measures of the interior angles of a 25-gon?
3. What is the measure of each interior angle of a regular hexagon?
4. What is the measure of each interior angle of a regular 16-gon?
5. What is the sum of the measures of the exterior angles of a decagon?
6. What is the measure of each exterior angle of a regular 30-gon?
7. If the exterior angle of a regular polygon is 22.5°, how many sides does it have?
8. If the interior angle of a regular polygon measures 170°, how many sides does it have?
Transcribed Image Text:1. What is the sum of the measures of the interior angles of an octagon? 2. What is the sum of the measures of the interior angles of a 25-gon? 3. What is the measure of each interior angle of a regular hexagon? 4. What is the measure of each interior angle of a regular 16-gon? 5. What is the sum of the measures of the exterior angles of a decagon? 6. What is the measure of each exterior angle of a regular 30-gon? 7. If the exterior angle of a regular polygon is 22.5°, how many sides does it have? 8. If the interior angle of a regular polygon measures 170°, how many sides does it have?
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