1. A DVD has a diameter of 15 millimeters. Which equation would help you
determine the circumference?
C. C 15/n
A. C 15
B. C 2rn15
D. C 15/2
2. What is the circumference of the circle?
20 m
A. 6.28 m
C. 12.565m
D. 125.65 m
B. 62.8 m
3. If the diameter of a circle is 15 cm, what is the circumference
of the circle?
15 cm
A. 45.1 cm
C. 47.1 cm
D. 48.1 cm
B. 46.1 cm
4. A circular fountain has a diameter of 11 meters. What is the circumference of the
circular fountain?
A. 34.54 m
C. 69.08 m
B. 3.454 m
D. 6.908m
When measuring the hula hoop in class, group C discovered that it had a radius
of 7 inches. What is the circumference of the hula hoop?
C. 43.76 inches
A. 33.96 inches
B. 33.76 inches
D. 43.96 inches
6. The laundry basket that Miss Nebre uses for recycling has a diameter of 25 cm.
She wants to move the basket to another place in her classroom. In order for her
to complete this task, she must know the circumference of the basket. Find the
circumference of the basket so Miss Nebre can determine where to place it.
A. 76.5 cm
C. 77.5 cm
B. 78.5 cm
D. 79.5 cm
7. A wheel has a diameter of 4.5 dm. How far will the wheel travel when it has made
4 complete turns?
A. 56.52 dm
C. 56.25 dm
B. 65.52 dm
D. 65.25 dm
8. What is the circumference of a circular yard whose radius is 6 meters?
A. 36.68 m
C. 38.67 m
B. 37.68 m
D. 38.68 m
9. A circular garden has a radius of 4.5 meters. What is its circumference?
C. 28.26 m
A. 22.28 m
D. 28.62 m
B. 26.28 m
10. A telescope has a lens with a diameter of 102 cm. What is the distance around
the lens?
A. 220.38 cm
C. 320.28 cm
B. 230.28 cm
D. 328.20 cm​