To determine the length of side of regular octagon.
Given:
The length of regular octagon from top to bottom is
Calculation:
The length of rectangular octagon from top to bottom is given as:
And from Pythagoras theorem:
Solving the above two equations as:
Next, Solving the equation using quadratic formula as:
Two possible values are:
Now,
The side length of regular octagon is
Chapter 6 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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