PLEASE HELP ME!! 5. A class measured, with rulers, the radius and circumference of various circular
objects. The results are plotted on the graph.
45
16,38)
30
14.25)
circumference (cm)
3,18)
15
2
radius (cm)
Part A
Does there appear to be a proportional relationship between the radius and
circumference of a circle? Explain or show your reasoning.
Your answer
1 point
Part B
Why might there be error when measuring radii and circumferences similar to the
objects above?