To find the measure of an interior angle.
Answer to Problem 27SGR
Explanation of Solution
Given Information: 18-gon.
Formula Used: A regular
Calculation:
Sum of interior angles:
18-gon has 18 sides. Hence,
Sum of interior angles of 18-gon:
So,
Sum of interior angles of 18-gon:
Sum of interior angles of 18-gon:
Each angle of 18-gon:
Each angle of 18-gon:
Each angle of 18-gon:
Each angle of 18-gon:
Chapter 11 Solutions
Pre-Algebra, Student Edition
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