Question

A class measured the radius and circumference of various circular objects. The results are plotted on the graph. Does there appear to be a proportional relationship between the radius and circumference of a circle? Explain or show your reasoning. Why might the measured radii and circumferences not be exactly proportional?

Answer 1

Answer: Because it goes through the origin and the line is straight but there is still the empty space between the 4 and 6

Explanation: