Answer:
6 yards
Step-by-step explanation:
The formula for circumference is:
[tex]C = \pi \: d[/tex]
d stands for diameter.
Substitute the numbers given:
[tex]18.84 = \pi \: d[/tex]
Divide π on both sides to isolate d.
[tex]18.84 \div \pi = \pi \div \pi \: d[/tex]
So the diameter equals 6.