Question

1. The circumference of a circle with diameter of 8 feet is ____?
2. The circumference of a circle with a diameter of 13 centimeters is ____?
3. The circumference of a circle with a radius of 3.5 miles is ____?

Answer 1

1. 25.13 feet
2. 40.84cm
3. 21.99 miles or 22 miles