A central angle of a circle has a chord with length . Give the circumference of the circle.

A central angle of a circle has a chord with length 24. Give the circumference of the circle.

A central angle of a circle has a chord with length 9. Give the circumference of the circle.

Find the circumference of a circle with a diameter of 14.

Find the circumference of the circle with an area of .

Find the circumference of a circle with a diameter of 6.

Find the circumference of a circle with a diameter of 12.

Give the circumference of a circle that is inscribed in an equilateral triangle with perimeter 60.

The track at Eisenhower High School is shown above; it is comprised of a square and a semicircle.

Mike begins at Point A, runs five times around the track clockwise, and continues further until he reaches Point C. Which of the following comes closest to the distance Mike runs?

The track at Douglas MacArthur High School is shown above; it is the composite of a square and a semicircle.

Jennifer wants to run one mile. If she begins at Point A and begins running clockwise, where will she be when she is finished?