Circles
What's the length of the diameter of the circle?

8.74 inches
What's the length of the radius of this circle?

4.37 inches
Approximate the circumference of a circle with diameter 15 inches. Use 3.14 for
pi
47.1 inches
Approximate the circumference for a circle with radius 7 meters. Use 22/7 for pi.
44 meters
Find the approximate diameter of a circle with circumference 28.27 yards
9 yards