math
posted by j.m doflis on .
a wheel is 68cm. how far does it roll after two complete turns or revolution. find the circumference of the circle.

"a wheel is 68cm". Is this diameter, radius, or what?
posted by j.m doflis on .
a wheel is 68cm. how far does it roll after two complete turns or revolution. find the circumference of the circle.
"a wheel is 68cm". Is this diameter, radius, or what?