If the diameter of your bicycle tire is 23 inches, and you move your bike so that the tire makes 3 complete revolutions, about how far have you moved your bike?
definition: Revolution means one complete turn.
Hint: d * pi = c (d = diameter and c = circumference)
And for fun, try this:
Write 3.14 on a piece of paper and hold it up to a mirror. (Go light on the decimal point.) Thanks Daelynn :)
No comments:
Post a Comment