Suppose a circular above-the-ground swimming pool has a diameter of 15 feet. What would its circumference be?

Suppose one loop around a circular track is 1500 feet long. What would the diameter of this loop be?

Suppose a circular above-the-ground swimming pool has a diameter of 15 feet. What would its circumference be?

Suppose one loop around a circular track is 1500 feet long. What would the diameter of this loop be?