Answer:
Radius = 2 yd
Diameter = 4 yd
Step-by-step explanation:
circumference = 2[tex]\pi[/tex]r (where r is the radius)
if circumference = 4[tex]\pi[/tex], then
4[tex]\pi[/tex] = 2[tex]\pi[/tex]r
⇒ 4 = 2r
⇒ 2 = r
⇒ radius = 2 yd
diameter = 2r
= 2 x 2
= 4 yd
