Answer :
radius* 2=diameter so no diameter and radius aren't the same thing because radius is half the distance across the circle and diameter is the full distance across the circle.
NO!!!!!!
diameter is the length across the circle
radius is the length from the center of the circle to the outside
radius = r
diameter= d
d=2r
diameter is the length across the circle
radius is the length from the center of the circle to the outside
radius = r
diameter= d
d=2r