Radius Diameter Circumference

The diagram shows Circle F with a radius of 5 ft. Which of the following segments is not equivalent to 5 ft?

• FG

• FI

• FJ

• JI

Which of the following is a radius?

• IJ

• GJ

• FJ

In Circle F, line segment FH is 5 ft. Using this information, what is the best estimate of the circumference of Circle F?

• 15 feet

• 18 feet

• 32 feet

• 34 feet

The numbers below are measurements of radius, diameter, and circumference of Circles X and Y. Circle X is smaller than Circle Y. Which of the following could be measurements for circle X?

• 4.5

• 5

• 9

• 28.26

• 31.4

Arthur ran around a circular field. What do you need to find in order to know how far Arthur ran around the circular field?

• area

• circumference

• diameter

• radius

The Jones family wants to enclose their circular garden with a fence. What would they need to measure to know the minimum length of fencing they need to buy?

• area

• circumference

• diameter

• radius

Which of the following is a diameter?

• FH

• FG

• GJ

• 9.42 meters

• 18.84 meters

• 37.68 meters

• 75.36 meters

The wheels on a bicyle has a circumference of 7 feet. If the bicylce travels 70 feet, how many rotations does the wheels complete?

• 7 rotations

• 10 rotations

• 12 rotations

• 15 rotations

Circle C has a radius of 4 centimeters. Circle D has a diameter of 12 centimeters. Which circle has the larger circumference?

• Circle C

• Circle D