Answer:
The circumference of the circle is
inches, which is about
inches.
Explanation:
The circumference of a circle when you only have the diameter (
inches in this case) can be calculated with the formula
where
represents the circumference and
represents the diameter.
Plug in the value for the diameter, which is
inches, to get
.
inches is the final exact answer, but you can estimate the answer by replacing
with
to get
.
This can be simplified to get
, but this is only an estimate.