Circle Scenarios

The diameter of a circular hula hoop is 36 inches. Find the circumference of the hoop to the nearest tenth of an inch

• 56.5 inches

• 113.1 inches

• 226.2 inches

• 1017.9 inches

A circle has a circumference of 24π.

• 8

• 16

• 12

• 24

A circle has a circumference of 24π. What is the area of the circle?

• 24π

• 36π

• 144π

• 576π

A circle has a circumference of 24π. What is the area of the circle?

• 24π

• 36π

• 144π

• 576π

Skeeter's performance for the talent show will be jumping through a hoop. Skeeter requires a width of 18 inches so his ears to not hit the hoop. Will a hoop with an inner circumference of 39.8 inches be large enough for Skeeter's performance?

• YES

• NO

A large pizza has a circumference of 72.5 inches.  Which of the perimeters listed below could belong to the smallest square box capable of holding a large pizza?

• 23 inches

• 24 inches

• 73 inches

• 96 inches

The center of a circle is located at (5,4). The circle passes through the point (8,4).

Find the area of the circle in terms of π.

• 3π

• 6π

• 9π

• 36π

The circumference of a circle is 12.4π. Find the area of the circle.

• 24.8π

• 38.44π

• 49.6π

• None of these

Jason and Snoopy run 3 laps around a circular track with a diameter of 85 feet. To the nearest foot, how many feet will they have run?

• 267 feet

• 534 feet

• 801 feet

• 1602 feet

An arched window has dimensions as shown at the right. Consider the top of the window to be a semicircle. How much plastic covering is needed to cover the window, following the outline of the window?

• 25.2 sq. ft.

• 42.0 sq. ft.

• 21.5 sq. ft.

• 36.7 sq.ft.