Find the circumference of each circle. Round to the nearest tenth.

A circle has a diameter measuring 50 centimeters.
A circle has a diameter measuring 17 millimeters.
A circle has a diameter measuring 27 meters.
A circle has a radius measuring 40 inches.
A circle has a radius measuring 7 centimeters.
A circle has a radius measuring 8 miles.

The circumference of the circle with a diameter measuring 50 centimeters is 157.1 centimeters.

The circumference of the circle with a diameter measuring 17 millimeters is 53.7 millimeters.
The circumference of the circle with a diameter measuring 27 meters is 169.6 meters.
The circumference of the circle with a radius measuring 40 inches is 251.3 inches.
The circumference of the circle with a radius measuring 7 centimeters is 43.9 centimeters.
The circumference of the circle with a radius measuring 8 miles is 50.3 miles.