Answer:
The circle's diameter is [tex]4\ yd[/tex]
Step-by-step explanation:
we know that
The circumference of a circle is equal to
[tex]C=\pi D[/tex]
where
D is the diameter of the circle
In this problem we have
[tex]C=12.56\ yd[/tex]
[tex]\pi=3.14[/tex]
substitute the values and solve for D
[tex]12.56=(3.14)D[/tex]
[tex]D=12.56/(3.14)=4\ yd[/tex]
