find the circumference of the following Circle an estimate form do not round the answer

ANSWER
C = 38π yards
EXPLANATION
The circumference of a circle with radius r is:
[tex]C=2\pi r[/tex]In this problem the radius is 19 yards. The circumference is:
[tex]C=2\pi\cdot19yd=38\pi\text{ yd}[/tex]