Diego measured the diameter and circumference of several circular objects and recorded his measurements in the table.
![]()
One of his measurements is inaccurate. Which measurement is it? Explain how you know.
Complete the table. Use one of the approximate values for

Name a segment that is a radius. How long is it?
Name a segment that is a diameter. How long is it?
Consider the equation
Find four pairs of
Plot the points
Based on the graph, can this be a proportional relationship? Why or why not?