Question

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.

The measurement for the ____ is very inaccurate. It should be about ___ times the diameter (or a little more).

Answer 1

circumference of a circle is pi

Answer 2

Answer:If the diameter of a circular object is 'd' units, circumference of the object will be represented by,

Circumference =

Now we will evaluate the circumferences of the different objects by the given measures of the diameters.

For Half dollar coins,

Explanation:

cm

For a flying disc,

cm

For a jar lid,

cm

For a flowerpot,

cm