Which of the following formulas do we use to find the Circumference of a circle when given the radius?
Which of these best describes
Which of the following equations represents the relationship between the circumference, C, and the diameter, d, of any circle?
What number is pi?
Which of these ratios is the closest approximation of pi?
_______________ is the distance around a circle.
_____________ is half of the diameter
______________ is twice the radius
If the radius of a circle is 12.5 meters, the diameter is _
If the diameter of a circle is 50 yards, the radius is ______.