IM 7th Unit 3 Review B

Using the table. What is the circumference of the orange slice. Use 3.14 for π.

• 140 mm

• 15.7 mm

• 219.8 mm

• 15386 mm

Using the table. What is the diameter of the glow necklace? Use 3.14 for π.

• 8 in.

• 12.56 in.

• 78.88 in.

• 1981 in.

Using the table. What is the circumference of the pizza? Use 3.14 for π.

• 70 cm

• 109.9 cm

• 17.5 cm

• 140 cm

Using the table. What is the diameter of the airplane propeller? Use 3.14 for π.

• 9.42 ft

• 59.16 ft.

• 6 ft.

• 8.8 ft.

Select all the values that represent the perimeter of the given figure. Use 3.14 for π. 

• 190.96 units

• 91 + 14  $\pi$  units

• 42 + 14  $\pi$  units

• 85.96 units

An athlete runs around a circular track. The circular track has a diameter of 160 meters.

a) How far does the athlete travel in 1 lap around the track?

• 251.2 meters

• 502.4 meters

• 342.4 meters

• 80 meters

An athlete runs around a circular track. The circular track has a diameter of 160 meters.

b) How far does the athlete travel in 5 laps?

• 2512 meters

• 400 meters

• 1256 meters

• 100.48 meters

An athlete runs around a circular track. The circular track has a diameter of 160 meters.

c) How many laps does the athlete make in 3517 meters? Round answer to the nearest unit.

• 14 laps

• 10 laps

• 7 laps

• 44 laps

Does the table show a proportional relationship?

• Yes the table shows a proportional relationship

• No the table does not show a proportional relationship

What is the area of this figure? Use 3.14 for  $\pi$  . Round answer to the nearest square unit.

• 33 cm²

• 124 cm²

• 74 cm²

• 49 cm²