The measure of
Answer to Problem 54STP
Option A. 140 is correct.
Explanation of Solution
Given:
The given figure is:
Calculation:
The sum of the measures of interior angles of an n-sided
The given figure is of a regular nonagon, having 9 sides.
So, put the value in the formula:
As the object is a regular 9-gon, all interior angles are congruent.
Calculating the measure of one interior angle:
Hence, Option A. 140 is correct.
Chapter 6 Solutions
Geometry, Student Edition
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