From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 1, Topic A, Lesson 4. Internet. Available from https://www.engageny.org/resource/grade-7-mathJmat...; accessed 08/Sept/2015.
Question 1
1.
The table below shows the relationship between the side lengths of a regular
octagon and its perimeter.
Complete the table.
Question 2
2.
If Gabby wants to make a regular octagon with a side length of 20 inches using
wire, how much wire does she need? Justify your reasoning with an explanation of
whether perimeter is proportional to the side length.