Circumference and Arc Length

What is the circumference of a 12 inch (diameter) pizza?

• 37.68 inches

• 36.68 inches

• 35.68 inches

• 34.68 inches

Find the circumference of a circle with a radius of 12.5 mm.

• 37.68mm

• 18.84mm

• 78.54mm

• none of the above

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5

• 9

• 8

• 6

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

Find the length of the arc to 2dp

• 31.42cm

• 15.71cm

• 282.74cm

• 23.56cm

Find the length of the arc to 2dp

• 246.09cm

• 24.61cm

• 123.05cm

• 240.86cm

What does "circumference" mean?

• Space a circle takes up

• Distance around a circle

• Line from one side of a circle to another

• Line from center of circle to side

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm

• 43.98 cm

• 87.96 cm

• 7 cm

What is the circumference of a circle with a radius of 54 m?

• 339.12 m

• 169.56 m

• 84.78 m

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90

• 60

• 55

• 113