Question

The diameter of a circle is 18 yards. What is the circle's circumference?
Use 3.14 for .

Answer 1

`C=56.52 \ yards`

Explanation:

d=18 yards

`C=2\pi r`

Radius is half of the diameter

`r=(d)/(2)`

`C=2 \pi (18)/(2)`

`C= 18\pi= 56.52 yards`